2121003032312 has 48 divisors (see below), whose sum is σ = 4157687189040. Its totient is φ = 1014299814528.

The previous prime is 2121003032299. The next prime is 2121003032321. The reversal of 2121003032312 is 2132303001212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75582188 + ... + 75610244.

It is an arithmetic number, because the mean of its divisors is an integer number (86618483105).

Almost surely, 2^{2121003032312} is an apocalyptic number.

It is an amenable number.

2121003032312 is a deficient number, since it is larger than the sum of its proper divisors (2036684156728).

2121003032312 is a wasteful number, since it uses less digits than its factorization.

2121003032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45972 (or 45945 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2121003032312 its reverse (2132303001212), we get a palindrome (4253306033524).

The spelling of 2121003032312 in words is "two trillion, one hundred twenty-one billion, three million, thirty-two thousand, three hundred twelve".