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1201023222212 = 2211171605646019
BaseRepresentation
bin10001011110100010100…
…100000000000111000100
311020211001101002011222102
4101132202210000013010
5124134143421102322
62315424211451232
7152525321643122
oct21364244000704
94224041064872
101201023222212
11423395331090
121749242b6b18
1389343595b38
14421b639c912
1521394957792
hex117a29001c4

1201023222212 has 24 divisors (see below), whose sum is σ = 2427736782240. Its totient is φ = 513806725760.

The previous prime is 1201023222209. The next prime is 1201023222221. The reversal of 1201023222212 is 2122223201021.

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, 802822262 + ... + 802823757.

It is an arithmetic number, because the mean of its divisors is an integer number (101155699260).

Almost surely, 21201023222212 is an apocalyptic number.

It is an amenable number.

1201023222212 is an abundant number, since it is smaller than the sum of its proper divisors (1226713560028).

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

1201023222212 is a wasteful number, since it uses less digits than its factorization.

1201023222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605646051 (or 1605646049 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1201023222212 its reverse (2122223201021), we get a palindrome (3323246423233).

The spelling of 1201023222212 in words is "one trillion, two hundred one billion, twenty-three million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 1605646019 3211292038 6422584076 17662106209 27295982323 35324212418 54591964646 70648424836 109183929292 300255805553 600511611106 1201023222212