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230122012212 = 22328377015399
BaseRepresentation
bin1101011001010001010…
…1110011111000110100
3210222222121011110011100
43112110111303320310
512232242213342322
6253414441210100
722424431554411
oct3262425637064
9728877143140
10230122012212
1189659970874
1238723490930
1318914a64041
14b1d080b108
155ebcb4edac
hex3594573e34

230122012212 has 36 divisors (see below), whose sum is σ = 588705717600. Its totient is φ = 75783151632.

The previous prime is 230122012181. The next prime is 230122012223. The reversal of 230122012212 is 212210221032.

230122012212 is a `hidden beast` number, since 230 + 1 + 220 + 1 + 2 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2301220122122 (a number of 24 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 11 ways as a sum of consecutive naturals, for example, 38504712 + ... + 38510687.

It is an arithmetic number, because the mean of its divisors is an integer number (16352936600).

Almost surely, 2230122012212 is an apocalyptic number.

It is an amenable number.

230122012212 is an abundant number, since it is smaller than the sum of its proper divisors (358583705388).

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

230122012212 is a wasteful number, since it uses less digits than its factorization.

230122012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77015492 (or 77015487 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 230122012212 its reverse (212210221032), we get a palindrome (442332233244).

The spelling of 230122012212 in words is "two hundred thirty billion, one hundred twenty-two million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 83 166 249 332 498 747 996 1494 2988 77015399 154030798 231046197 308061596 462092394 693138591 924184788 1386277182 2772554364 6392278117 12784556234 19176834351 25569112468 38353668702 57530503053 76707337404 115061006106 230122012212