1214163005972 has 24 divisors (see below), whose sum is σ = 2428400635584. Its totient is φ = 520339583232.

The previous prime is 1214163005971. The next prime is 1214163006047. The reversal of 1214163005972 is 2795003614121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214163005971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284963 + ... + 1584149.

It is an arithmetic number, because the mean of its divisors is an integer number (101183359816).

Almost surely, 2^{1214163005972} is an apocalyptic number.

It is an amenable number.

1214163005972 is an abundant number, since it is smaller than the sum of its proper divisors (1214237629612).

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

1214163005972 is a wasteful number, since it uses less digits than its factorization.

1214163005972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332575 (or 1332573 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 1214163005972 in words is "one trillion, two hundred fourteen billion, one hundred sixty-three million, five thousand, nine hundred seventy-two".