2104021331512 has 8 divisors (see below), whose sum is σ = 3945039996600. Its totient is φ = 1052010665752.

The previous prime is 2104021331497. The next prime is 2104021331537. The reversal of 2104021331512 is 2151331204012.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2104021331512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131501333212 + ... + 131501333227.

It is an arithmetic number, because the mean of its divisors is an integer number (493129999575).

Almost surely, 2^{2104021331512} is an apocalyptic number.

It is an amenable number.

2104021331512 is a deficient number, since it is larger than the sum of its proper divisors (1841018665088).

2104021331512 is a wasteful number, since it uses less digits than its factorization.

2104021331512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263002666445 (or 263002666441 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 2104021331512 its reverse (2151331204012), we get a palindrome (4255352535524).

The spelling of 2104021331512 in words is "two trillion, one hundred four billion, twenty-one million, three hundred thirty-one thousand, five hundred twelve".