72120560012152 has 128 divisors (see below), whose sum is σ = 151093581408000. Its totient is φ = 32217249101184.

The previous prime is 72120560012099. The next prime is 72120560012201. The reversal of 72120560012152 is 25121006502127.

It is a super-2 number, since 2×72120560012152² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67898383 + ... + 68952385.

It is an arithmetic number, because the mean of its divisors is an integer number (1180418604750).

Almost surely, 2^{72120560012152} is an apocalyptic number.

It is an amenable number.

72120560012152 is an abundant number, since it is smaller than the sum of its proper divisors (78973021395848).

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

72120560012152 is a wasteful number, since it uses less digits than its factorization.

72120560012152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054138 (or 1054096 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 72120560012152 its reverse (25121006502127), we get a palindrome (97241566514279).

The spelling of 72120560012152 in words is "seventy-two trillion, one hundred twenty billion, five hundred sixty million, twelve thousand, one hundred fifty-two".