20151201003212 has 6 divisors (see below), whose sum is σ = 35264601755628. Its totient is φ = 10075600501604.

The previous prime is 20151201003151. The next prime is 20151201003233. The reversal of 20151201003212 is 21230010215102.

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 as a sum of consecutive naturals, namely, 2518900125398 + ... + 2518900125405.

It is an arithmetic number, because the mean of its divisors is an integer number (5877433625938).

Almost surely, 2^{20151201003212} is an apocalyptic number.

It is an amenable number.

20151201003212 is a deficient number, since it is larger than the sum of its proper divisors (15113400752416).

20151201003212 is a wasteful number, since it uses less digits than its factorization.

20151201003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037800250807 (or 5037800250805 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 20151201003212 its reverse (21230010215102), we get a palindrome (41381211218314).

The spelling of 20151201003212 in words is "twenty trillion, one hundred fifty-one billion, two hundred one million, three thousand, two hundred twelve".