72150216121150 has 48 divisors (see below), whose sum is σ = 141895993075200. Its totient is φ = 27218528465760.

The previous prime is 72150216121117. The next prime is 72150216121183. The reversal of 72150216121150 is 5112161205127.

It is an interprime number because it is at equal distance from previous prime (72150216121117) and next prime (72150216121183).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170074240 + ... + 170497939.

It is an arithmetic number, because the mean of its divisors is an integer number (2956166522400).

Almost surely, 2^{72150216121150} is an apocalyptic number.

72150216121150 is a deficient number, since it is larger than the sum of its proper divisors (69745776954050).

72150216121150 is a wasteful number, since it uses less digits than its factorization.

72150216121150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340572433 (or 340572428 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 34.

Adding to 72150216121150 its reverse (5112161205127), we get a palindrome (77262377326277).

The spelling of 72150216121150 in words is "seventy-two trillion, one hundred fifty billion, two hundred sixteen million, one hundred twenty-one thousand, one hundred fifty".