72212501561402 has 16 divisors (see below), whose sum is σ = 113403928508640. Its totient is φ = 34441193098032.

The previous prime is 72212501561401. The next prime is 72212501561437. The reversal of 72212501561402 is 20416510521227.

It is not an unprimeable number, because it can be changed into a prime (72212501561401) 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, 7500255008 + ... + 7500264635.

It is an arithmetic number, because the mean of its divisors is an integer number (7087745531790).

Almost surely, 2^{72212501561402} is an apocalyptic number.

72212501561402 is a deficient number, since it is larger than the sum of its proper divisors (41191426947238).

72212501561402 is a wasteful number, since it uses less digits than its factorization.

72212501561402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15000519757.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 72212501561402 in words is "seventy-two trillion, two hundred twelve billion, five hundred one million, five hundred sixty-one thousand, four hundred two".