21150035153612 has 6 divisors (see below), whose sum is σ = 37012561518828. Its totient is φ = 10575017576804.

The previous prime is 21150035153587. The next prime is 21150035153633. The reversal of 21150035153612 is 21635153005112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643754394198 + ... + 2643754394205.

It is an arithmetic number, because the mean of its divisors is an integer number (6168760253138).

Almost surely, 2^{21150035153612} is an apocalyptic number.

It is an amenable number.

21150035153612 is a deficient number, since it is larger than the sum of its proper divisors (15862526365216).

21150035153612 is a wasteful number, since it uses less digits than its factorization.

21150035153612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287508788407 (or 5287508788405 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 21150035153612 its reverse (21635153005112), we get a palindrome (42785188158724).

The spelling of 21150035153612 in words is "twenty-one trillion, one hundred fifty billion, thirty-five million, one hundred fifty-three thousand, six hundred twelve".