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121110002001012 = 22338514885953639
BaseRepresentation
bin11011100010011000011110…
…101001011110010001110100
3120212211000002021101002200010
4123202120132221132101310
5111333231241003013022
61105325100012020220
734336623515416413
oct3342303651362164
9525730067332603
10121110002001012
1135653510886642
12116bbb1a761670
13527681644312b
1421c9a80a5b47a
15e0053825c50c
hex6e261ea5e474

121110002001012 has 48 divisors (see below), whose sum is σ = 282674440742400. Its totient is φ = 40357939221600.

The previous prime is 121110002000957. The next prime is 121110002001019. The reversal of 121110002001012 is 210100200011121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110002001019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257845289 + ... + 2257898927.

It is an arithmetic number, because the mean of its divisors is an integer number (5889050848800).

Almost surely, 2121110002001012 is an apocalyptic number.

121110002001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121110002001012 is an abundant number, since it is smaller than the sum of its proper divisors (161564438741388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121110002001012 is a wasteful number, since it uses less digits than its factorization.

121110002001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106356 (or 106354 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121110002001012 its reverse (210100200011121), we get a palindrome (331210202012133).

The spelling of 121110002001012 in words is "one hundred twenty-one trillion, one hundred ten billion, two million, one thousand, twelve".

Divisors: 1 2 3 4 6 12 3851 7702 11553 15404 23106 46212 48859 53639 97718 107278 146577 160917 195436 214556 293154 321834 586308 643668 188156009 206563789 376312018 413127578 564468027 619691367 752624036 826255156 1128936054 1239382734 2257872108 2478765468 2620747901 5241495802 7862243703 10482991604 15724487406 31448974812 10092500166751 20185000333502 30277500500253 40370000667004 60555001000506 121110002001012