120311100212 has 24 divisors (see below), whose sum is σ = 219961080360. Its totient is φ = 57506153600.

The previous prime is 120311100187. The next prime is 120311100229. The reversal of 120311100212 is 212001113021.

It can be written as a sum of positive squares in 4 ways, for example, as 56874618256 + 63436481956 = 238484^2 + 251866^2 .

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, 5122763 + ... + 5146194.

It is an arithmetic number, because the mean of its divisors is an integer number (9165045015).

Almost surely, 2^120311100212 is an apocalyptic number.

It is an amenable number.

120311100212 is a deficient number, since it is larger than the sum of its proper divisors (99649980148).

120311100212 is a wasteful number, since it uses less digits than its factorization.

120311100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269091 (or 10269089 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120311100212 its reverse (212001113021), we get a palindrome (332312213233).

The spelling of 120311100212 in words is "one hundred twenty billion, three hundred eleven million, one hundred thousand, two hundred twelve".