12101022212 has 48 divisors (see below), whose sum is σ = 23229400320. Its totient is φ = 5490240000.

The previous prime is 12101022209. The next prime is 12101022217. The reversal of 12101022212 is 21222010121.

It is not an unprimeable number, because it can be changed into a prime (12101022217) 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, 1476887 + ... + 1485057.

It is an arithmetic number, because the mean of its divisors is an integer number (483945840).

Almost surely, 2^12101022212 is an apocalyptic number.

It is an amenable number.

12101022212 is a deficient number, since it is larger than the sum of its proper divisors (11128378108).

12101022212 is a wasteful number, since it uses less digits than its factorization.

12101022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8972 (or 8970 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12101022212 its reverse (21222010121), we get a palindrome (33323032333).

The spelling of 12101022212 in words is "twelve billion, one hundred one million, twenty-two thousand, two hundred twelve".