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12101203013012 = 2243536291311899
BaseRepresentation
bin1011000000011000011111…
…1010000010110110010100
31120211212022122101211122122
42300012013322002312110
53041231230432404022
641423114345515112
72356166043305411
oct260060772026624
946755278354578
1012101203013012
113946100694433
1214353644a2a98
1369a1a550a039
142db9b6715108
1515eba7a8d742
hexb0187e82d94

12101203013012 has 24 divisors (see below), whose sum is σ = 21670016676000. Its totient is φ = 5909775139296.

The previous prime is 12101203012961. The next prime is 12101203013023. The reversal of 12101203013012 is 21031030210121.

It is a super-2 number, since 2×121012030130122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8568239 + ... + 9880137.

It is an arithmetic number, because the mean of its divisors is an integer number (902917361500).

Almost surely, 212101203013012 is an apocalyptic number.

It is an amenable number.

12101203013012 is a deficient number, since it is larger than the sum of its proper divisors (9568813662988).

12101203013012 is a wasteful number, since it uses less digits than its factorization.

12101203013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365575 (or 1365573 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12101203013012 its reverse (21031030210121), we get a palindrome (33132233223133).

The spelling of 12101203013012 in words is "twelve trillion, one hundred one billion, two hundred three million, thirteen thousand, twelve".

Divisors: 1 2 4 43 86 172 53629 107258 214516 1311899 2306047 2623798 4612094 5247596 9224188 56411657 112823314 225646628 70355831471 140711662942 281423325884 3025300753253 6050601506506 12101203013012