123012013010 has 16 divisors (see below), whose sum is σ = 221476274136. Its totient is φ = 49192660608.

The previous prime is 123012013009. The next prime is 123012013013. The reversal of 123012013010 is 10310210321.

It can be written as a sum of positive squares in 4 ways, for example, as 121067114809 + 1944898201 = 347947^2 + 44101^2 .

It is not an unprimeable number, because it can be changed into a prime (123012013013) 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, 1475477 + ... + 1556616.

Almost surely, 2^123012013010 is an apocalyptic number.

123012013010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012013010 is a deficient number, since it is larger than the sum of its proper divisors (98464261126).

123012013010 is a wasteful number, since it uses less digits than its factorization.

123012013010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036157.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 123012013010 its reverse (10310210321), we get a palindrome (133322223331).

The spelling of 123012013010 in words is "one hundred twenty-three billion, twelve million, thirteen thousand, ten".