123222021010 has 96 divisors (see below), whose sum is σ = 248998503600. Its totient is φ = 43862016000.

The previous prime is 123222021007. The next prime is 123222021017. The reversal of 123222021010 is 10120222321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 59274232369 + 63947788641 = 243463^2 + 252879^2 .

It is not an unprimeable number, because it can be changed into a prime (123222021017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10871026 + ... + 10882354.

Almost surely, 2^123222021010 is an apocalyptic number.

123222021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123222021010 is an abundant number, since it is smaller than the sum of its proper divisors (125776482590).

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

123222021010 is a wasteful number, since it uses less digits than its factorization.

123222021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11548 (or 11537 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 123222021010 its reverse (10120222321), we get a palindrome (133342243331).

The spelling of 123222021010 in words is "one hundred twenty-three billion, two hundred twenty-two million, twenty-one thousand, ten".