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12211212312010 = 2511362219173683
BaseRepresentation
bin1011000110110010010011…
…1110001101110111001010
31121020101021101022020212001
42301230210332031313022
53100032030322441020
641545430430541214
72400142140025555
oct261544476156712
947211241266761
1012211212312010
113988823005a68
12145274636780a
136a76879116ba
14303050c3969c
151629958c150a
hexb1b24f8ddca

12211212312010 has 32 divisors (see below), whose sum is σ = 22175181120960. Its totient is φ = 4841153710848.

The previous prime is 12211212312007. The next prime is 12211212312049. The reversal of 12211212312010 is 1021321211221.

It is a super-2 number, since 2×122112123120102 (a number of 27 digits) contains 22 as substring.

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, 70220629 + ... + 70394311.

It is an arithmetic number, because the mean of its divisors is an integer number (692974410030).

Almost surely, 212211212312010 is an apocalyptic number.

12211212312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211212312010 is a deficient number, since it is larger than the sum of its proper divisors (9963968808950).

12211212312010 is a wasteful number, since it uses less digits than its factorization.

12211212312010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236022.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12211212312010 its reverse (1021321211221), we get a palindrome (13232533523231).

The spelling of 12211212312010 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, three hundred twelve thousand, ten".

Divisors: 1 2 5 10 113 226 565 1130 62219 124438 173683 311095 347366 622190 868415 1736830 7030747 14061494 19626179 35153735 39252358 70307470 98130895 196261790 10806382577 21612765154 54031912885 108063825770 1221121231201 2442242462402 6105606156005 12211212312010