12100520212 has 12 divisors (see below), whose sum is σ = 23100993216. Its totient is φ = 5500236440.

The previous prime is 12100520203. The next prime is 12100520351. The reversal of 12100520212 is 21202500121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137505868 + ... + 137505955.

It is an arithmetic number, because the mean of its divisors is an integer number (1925082768).

Almost surely, 2^12100520212 is an apocalyptic number.

It is an amenable number.

12100520212 is a deficient number, since it is larger than the sum of its proper divisors (11000473004).

12100520212 is a wasteful number, since it uses less digits than its factorization.

12100520212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275011838 (or 275011836 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The spelling of 12100520212 in words is "twelve billion, one hundred million, five hundred twenty thousand, two hundred twelve".