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12120152113465 = 5111131950145151
BaseRepresentation
bin1011000001011111000101…
…0111001000000100111001
31120220200020020110212201221
42300113301113020010321
53042034032420112330
641435530534512041
72360436445066264
oct260276127100471
946820206425657
1012120152113465
113953144995030
121438b72505621
1369bc05265b06
142dc8931ddcdb
15160416421b7a
hexb05f15c8139

12120152113465 has 16 divisors (see below), whose sum is σ = 16006791407616. Its totient is φ = 8736650272000.

The previous prime is 12120152113453. The next prime is 12120152113481. The reversal of 12120152113465 is 56431125102121.

It is not a de Polignac number, because 12120152113465 - 215 = 12120152080697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120152113465.

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, 975066361 + ... + 975078790.

It is an arithmetic number, because the mean of its divisors is an integer number (1000424462976).

Almost surely, 212120152113465 is an apocalyptic number.

It is an amenable number.

12120152113465 is a deficient number, since it is larger than the sum of its proper divisors (3886639294151).

12120152113465 is a wasteful number, since it uses less digits than its factorization.

12120152113465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950145280.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 12120152113465 its reverse (56431125102121), we get a palindrome (68551277215586).

The spelling of 12120152113465 in words is "twelve trillion, one hundred twenty billion, one hundred fifty-two million, one hundred thirteen thousand, four hundred sixty-five".

Divisors: 1 5 11 55 113 565 1243 6215 1950145151 9750725755 21451596661 107257983305 220366402063 1101832010315 2424030422693 12120152113465