142979571612 has 72 divisors (see below), whose sum is σ = 383837296752. Its totient is φ = 44720755200.

The previous prime is 142979571611. The next prime is 142979571613. The reversal of 142979571612 is 216175979241.

142979571612 is a `hidden beast` number, since 1 + 4 + 2 + 9 + 7 + 9 + 571 + 61 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (142979571611) and next prime (142979571613).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142979571611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150339 + ... + 555482.

It is an arithmetic number, because the mean of its divisors is an integer number (5331073566).

Almost surely, 2^142979571612 is an apocalyptic number.

142979571612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142979571612 is an abundant number, since it is smaller than the sum of its proper divisors (240857725140).

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

142979571612 is a wasteful number, since it uses less digits than its factorization.

142979571612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706179 (or 706174 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The spelling of 142979571612 in words is "one hundred forty-two billion, nine hundred seventy-nine million, five hundred seventy-one thousand, six hundred twelve".