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1212210101022 = 231576491198251
BaseRepresentation
bin10001101000111101010…
…110100011101100011110
311021212221000011111202020
4101220331112203230132
5124330101241213042
62324514233241010
7153402460564134
oct21507526435436
94255830144666
101212210101022
11428105aaa778
12176b26863166
138a40713235b
1442957dd7754
15217ebb0d3ec
hex11a3d5a3b1e

1212210101022 has 32 divisors (see below), whose sum is σ = 2440250561664. Its totient is φ = 401432460000.

The previous prime is 1212210101009. The next prime is 1212210101041. The reversal of 1212210101022 is 2201010122121.

It is a junction number, because it is equal to n+sod(n) for n = 1212210100992 and 1212210101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6015397 + ... + 6213647.

It is an arithmetic number, because the mean of its divisors is an integer number (76257830052).

Almost surely, 21212210101022 is an apocalyptic number.

1212210101022 is an abundant number, since it is smaller than the sum of its proper divisors (1228040460642).

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

1212210101022 is a wasteful number, since it uses less digits than its factorization.

1212210101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204904.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212210101022 its reverse (2201010122121), we get a palindrome (3413220223143).

The spelling of 1212210101022 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred one thousand, twenty-two".

Divisors: 1 2 3 6 157 314 471 942 6491 12982 19473 38946 198251 396502 594753 1019087 1189506 2038174 3057261 6114522 31125407 62250814 93376221 186752442 1286847241 2573694482 3860541723 7721083446 202035016837 404070033674 606105050511 1212210101022