3012121111000 has 64 divisors (see below), whose sum is σ = 7147636292160. Its totient is φ = 1187878720000.

The previous prime is 3012121110949. The next prime is 3012121111067. The reversal of 3012121111000 is 1111212103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21141121 + ... + 21283120.

It is an arithmetic number, because the mean of its divisors is an integer number (111681817065).

Almost surely, 2^{3012121111000} is an apocalyptic number.

It is an amenable number.

3012121111000 is an abundant number, since it is smaller than the sum of its proper divisors (4135515181160).

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

3012121111000 is a wasteful number, since it uses less digits than its factorization.

3012121111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42424333 (or 42424319 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 3012121111000 its reverse (1111212103), we get a palindrome (3013232323103).

The spelling of 3012121111000 in words is "three trillion, twelve billion, one hundred twenty-one million, one hundred eleven thousand".