3120001011252 has 18 divisors (see below), whose sum is σ = 7886669222978. Its totient is φ = 1040000337072.

The previous prime is 3120001011247. The next prime is 3120001011271. The reversal of 3120001011252 is 2521101000213.

3120001011252 is a `hidden beast` number, since 312 + 0 + 0 + 0 + 101 + 1 + 252 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3119511893796 + 489117456 = 1766214^2 + 22116^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43333347343 + ... + 43333347414.

Almost surely, 2^{3120001011252} is an apocalyptic number.

It is an amenable number.

3120001011252 is an abundant number, since it is smaller than the sum of its proper divisors (4766668211726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3120001011252 is a wasteful number, since it uses less digits than its factorization.

3120001011252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86666694767 (or 86666694762 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 3120001011252 its reverse (2521101000213), we get a palindrome (5641102011465).

The spelling of 3120001011252 in words is "three trillion, one hundred twenty billion, one million, eleven thousand, two hundred fifty-two".