12120208310 has 48 divisors (see below), whose sum is σ = 26871087744. Its totient is φ = 3911056128.

The previous prime is 12120208307. The next prime is 12120208313. The reversal of 12120208310 is 1380202121.

It is an interprime number because it is at equal distance from previous prime (12120208307) and next prime (12120208313).

It is a super-2 number, since 2×12120208310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120208313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719174 + ... + 735833.

It is an arithmetic number, because the mean of its divisors is an integer number (559814328).

Almost surely, 2^12120208310 is an apocalyptic number.

12120208310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120208310 is an abundant number, since it is smaller than the sum of its proper divisors (14750879434).

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

12120208310 is a wasteful number, since it uses less digits than its factorization.

12120208310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455045 (or 1455038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The spelling of 12120208310 in words is "twelve billion, one hundred twenty million, two hundred eight thousand, three hundred ten".