123201120010 has 16 divisors (see below), whose sum is σ = 222160162536. Its totient is φ = 49191971008.

The previous prime is 123201120001. The next prime is 123201120011. The reversal of 123201120010 is 10021102321.

It can be written as a sum of positive squares in 4 ways, for example, as 111160227649 + 12040892361 = 333407^2 + 109731^2 .

It is not an unprimeable number, because it can be changed into a prime (123201120011) 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, 11053777 + ... + 11064916.

Almost surely, 2^123201120010 is an apocalyptic number.

123201120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201120010 is a deficient number, since it is larger than the sum of its proper divisors (98959042526).

123201120010 is a wasteful number, since it uses less digits than its factorization.

123201120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22119257.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 123201120010 its reverse (10021102321), we get a palindrome (133222222331).

The spelling of 123201120010 in words is "one hundred twenty-three billion, two hundred one million, one hundred twenty thousand, ten".