123222021023210 has 32 divisors (see below), whose sum is σ = 222151180770000. Its totient is φ = 49210711994880.

The previous prime is 123222021023201. The next prime is 123222021023281. The reversal of 123222021023210 is 12320120222321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17720589033889 + 105501431989321 = 4209583^2 + 10271389^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39248870 + ... + 42271950.

Almost surely, 2^{123222021023210} is an apocalyptic number.

123222021023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123222021023210 is a deficient number, since it is larger than the sum of its proper divisors (98929159746790).

123222021023210 is a wasteful number, since it uses less digits than its factorization.

123222021023210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029546.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123222021023210 its reverse (12320120222321), we get a palindrome (135542141245531).

The spelling of 123222021023210 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, twenty-one million, twenty-three thousand, two hundred ten".