10123211320 has 32 divisors (see below), whose sum is σ = 22846068720. Its totient is φ = 4037045760.

The previous prime is 10123211309. The next prime is 10123211339. The reversal of 10123211320 is 2311232101.

It is a super-2 number, since 2×10123211320² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10123211294 and 10123211303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369057 + ... + 395536.

Almost surely, 2^10123211320 is an apocalyptic number.

10123211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123211320 is an abundant number, since it is smaller than the sum of its proper divisors (12722857400).

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

10123211320 is a wasteful number, since it uses less digits than its factorization.

10123211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764935 (or 764931 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10123211320 its reverse (2311232101), we get a palindrome (12434443421).

The spelling of 10123211320 in words is "ten billion, one hundred twenty-three million, two hundred eleven thousand, three hundred twenty".