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12101212122232 = 2311555313090543
BaseRepresentation
bin1011000000011000100001…
…1100110010110001111000
31120211212100021112122011011
42300012020130302301320
53041231240300402412
641423115313043304
72356166213605042
oct260061034626170
946755307478134
1012101212122232
113946105846312
121435367556534
1369a1a73792cc
142db9b7a06a92
1515eba878c7a7
hexb0188732c78

12101212122232 has 16 divisors (see below), whose sum is σ = 22689970820640. Its totient is φ = 6050553236736.

The previous prime is 12101212122193. The next prime is 12101212122271. The reversal of 12101212122232 is 23222121210121.

It is an interprime number because it is at equal distance from previous prime (12101212122193) and next prime (12101212122271).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5620848 + ... + 7469695.

It is an arithmetic number, because the mean of its divisors is an integer number (1418123176290).

Almost surely, 212101212122232 is an apocalyptic number.

It is an amenable number.

12101212122232 is a deficient number, since it is larger than the sum of its proper divisors (10588758698408).

12101212122232 is a wasteful number, since it uses less digits than its factorization.

12101212122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206102 (or 13206098 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12101212122232 its reverse (23222121210121), we get a palindrome (35323333332353).

The spelling of 12101212122232 in words is "twelve trillion, one hundred one billion, two hundred twelve million, one hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 115553 231106 462212 924424 13090543 26181086 52362172 104724344 1512651515279 3025303030558 6050606061116 12101212122232