123216610562 has 16 divisors (see below), whose sum is σ = 186309060120. Its totient is φ = 61115400192.

The previous prime is 123216610507. The next prime is 123216610567. The reversal of 123216610562 is 265016612321.

123216610562 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 95450720401 + 27765890161 = 308951^2 + 166631^2 .

It is not an unprimeable number, because it can be changed into a prime (123216610567) 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, 315887 + ... + 588402.

Almost surely, 2^123216610562 is an apocalyptic number.

123216610562 is a deficient number, since it is larger than the sum of its proper divisors (63092449558).

123216610562 is a wasteful number, since it uses less digits than its factorization.

123216610562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904837.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 123216610562 in words is "one hundred twenty-three billion, two hundred sixteen million, six hundred ten thousand, five hundred sixty-two".