2121132311212 has 12 divisors (see below), whose sum is σ = 3748733837856. Its totient is φ = 1050065500400.

The previous prime is 2121132311197. The next prime is 2121132311227.

It is a happy number.

2121132311212 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (2121132311197) and next prime (2121132311227).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625163348 + ... + 2625164155.

It is an arithmetic number, because the mean of its divisors is an integer number (312394486488).

Almost surely, 2^{2121132311212} is an apocalyptic number.

It is an amenable number.

2121132311212 is a deficient number, since it is larger than the sum of its proper divisors (1627601526644).

2121132311212 is a wasteful number, since it uses less digits than its factorization.

2121132311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250327608 (or 5250327606 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The spelling of 2121132311212 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-two million, three hundred eleven thousand, two hundred twelve".