12100310211212 has 6 divisors (see below), whose sum is σ = 21175542869628. Its totient is φ = 6050155105604.

The previous prime is 12100310211169. The next prime is 12100310211259. The reversal of 12100310211212 is 21211201300121.

It is a happy number.

It is a super-2 number, since 2×12100310211212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512538776398 + ... + 1512538776405.

It is an arithmetic number, because the mean of its divisors is an integer number (3529257144938).

Almost surely, 2^{12100310211212} is an apocalyptic number.

It is an amenable number.

12100310211212 is a deficient number, since it is larger than the sum of its proper divisors (9075232658416).

12100310211212 is a wasteful number, since it uses less digits than its factorization.

12100310211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025077552807 (or 3025077552805 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12100310211212 its reverse (21211201300121), we get a palindrome (33311511511333).

The spelling of 12100310211212 in words is "twelve trillion, one hundred billion, three hundred ten million, two hundred eleven thousand, two hundred twelve".