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121120102012212 = 22331121482426039
BaseRepresentation
bin11011100010100001111000…
…101001111101010100110100
3120212211222011011022211101000
4123202201320221331110310
5111333412432103342322
61105333450130203300
734340432016201252
oct3342417051752464
9525758134284330
10121120102012212
1135657823a9a536
1211701a79123530
135277765a79214
1421ca35c1b55d2
15e00929cc33ac
hex6e2878a7d534

121120102012212 has 24 divisors (see below), whose sum is σ = 314015079291200. Its totient is φ = 40373367337368.

The previous prime is 121120102012177. The next prime is 121120102012253. The reversal of 121120102012212 is 212210201021121.

121120102012212 is a `hidden beast` number, since 1 + 211 + 20 + 10 + 201 + 221 + 2 = 666.

It is a super-2 number, since 2×1211201020122122 (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560741212912 + ... + 560741213127.

Almost surely, 2121120102012212 is an apocalyptic number.

121120102012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121120102012212 is an abundant number, since it is smaller than the sum of its proper divisors (192894977278988).

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

121120102012212 is a wasteful number, since it uses less digits than its factorization.

121120102012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121482426052 (or 1121482426044 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121120102012212 its reverse (212210201021121), we get a palindrome (333330303033333).

The spelling of 121120102012212 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred two million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1121482426039 2242964852078 3364447278117 4485929704156 6728894556234 10093341834351 13457789112468 20186683668702 30280025503053 40373367337404 60560051006106 121120102012212