3103121023212 has 24 divisors (see below), whose sum is σ = 8274989395456. Its totient is φ = 886606006608.

The previous prime is 3103121023207. The next prime is 3103121023241. The reversal of 3103121023212 is 2123201213013.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18470958388 + ... + 18470958555.

Almost surely, 2^{3103121023212} is an apocalyptic number.

It is an amenable number.

3103121023212 is an abundant number, since it is smaller than the sum of its proper divisors (5171868372244).

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

3103121023212 is a wasteful number, since it uses less digits than its factorization.

3103121023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36941916957 (or 36941916955 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3103121023212 its reverse (2123201213013), we get a palindrome (5226322236225).

The spelling of 3103121023212 in words is "three trillion, one hundred three billion, one hundred twenty-one million, twenty-three thousand, two hundred twelve".