123211122310 has 32 divisors (see below), whose sum is σ = 230628902400. Its totient is φ = 47335827840.

The previous prime is 123211122301. The next prime is 123211122311. The reversal of 123211122310 is 13221112321.

It is a super-2 number, since 2×123211122310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123211122311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056825 + ... + 1167604.

It is an arithmetic number, because the mean of its divisors is an integer number (7207153200).

Almost surely, 2^123211122310 is an apocalyptic number.

123211122310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123211122310 is a deficient number, since it is larger than the sum of its proper divisors (107417780090).

123211122310 is a wasteful number, since it uses less digits than its factorization.

123211122310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224656.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123211122310 its reverse (13221112321), we get a palindrome (136432234631).

The spelling of 123211122310 in words is "one hundred twenty-three billion, two hundred eleven million, one hundred twenty-two thousand, three hundred ten".