216207121562142 has 16 divisors (see below), whose sum is σ = 432445403789712. Its totient is φ = 72063847076480.

The previous prime is 216207121562137. The next prime is 216207121562161. The reversal of 216207121562142 is 241265121702612.

216207121562142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 216207121562094 and 216207121562103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298270859 + ... + 1298437382.

It is an arithmetic number, because the mean of its divisors is an integer number (27027837736857).

Almost surely, 2^{216207121562142} is an apocalyptic number.

216207121562142 is an abundant number, since it is smaller than the sum of its proper divisors (216238282227570).

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

216207121562142 is a wasteful number, since it uses less digits than its factorization.

216207121562142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596722123.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 216207121562142 in words is "two hundred sixteen trillion, two hundred seven billion, one hundred twenty-one million, five hundred sixty-two thousand, one hundred forty-two".