142001420972 has 12 divisors (see below), whose sum is σ = 254563523256. Its totient is φ = 69268985760.

The previous prime is 142001420941. The next prime is 142001420983. The reversal of 142001420972 is 279024100241.

It is a happy number.

It is a super-2 number, since 2×142001420972² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432930998 + ... + 432931325.

It is an arithmetic number, because the mean of its divisors is an integer number (21213626938).

Almost surely, 2^142001420972 is an apocalyptic number.

It is an amenable number.

142001420972 is a deficient number, since it is larger than the sum of its proper divisors (112562102284).

142001420972 is a wasteful number, since it uses less digits than its factorization.

142001420972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865862368 (or 865862366 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 142001420972 in words is "one hundred forty-two billion, one million, four hundred twenty thousand, nine hundred seventy-two".