Search a number
-
+
12212130110202 = 232113716735328277
BaseRepresentation
bin1011000110110101101110…
…1011010101101011111010
31121020110122100022020021200
42301231123223111223322
53100040420302011302
641550101454315030
72400203653133211
oct261553353255372
947213570266250
1012212130110202
113989154094370
1214529617b8a76
136a77a2aca259
143030daaaa078
151629eb26681c
hexb1b5bad5afa

12212130110202 has 192 divisors, whose sum is σ = 29908228057344. Its totient is φ = 3568802181120.

The previous prime is 12212130110119. The next prime is 12212130110233. The reversal of 12212130110202 is 20201103121221.

12212130110202 is a `hidden beast` number, since 1 + 221 + 2 + 130 + 110 + 202 = 666.

It is a super-2 number, since 2×122121301102022 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 431860888 + ... + 431889164.

It is an arithmetic number, because the mean of its divisors is an integer number (155772021132).

Almost surely, 212212130110202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212130110202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14954114028672).

12212130110202 is an abundant number, since it is smaller than the sum of its proper divisors (17696097947142).

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

12212130110202 is a wasteful number, since it uses less digits than its factorization.

12212130110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28853 (or 28850 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12212130110202 its reverse (20201103121221), we get a palindrome (32413233231423).

The spelling of 12212130110202 in words is "twelve trillion, two hundred twelve billion, one hundred thirty million, one hundred ten thousand, two hundred two".