4971212487612 has 72 divisors (see below), whose sum is σ = 14370711229056. Its totient is φ = 1419413717664.

The previous prime is 4971212487589. The next prime is 4971212487617. The reversal of 4971212487612 is 2167842121794.

It is a happy number.

4971212487612 is a `hidden beast` number, since 4 + 9 + 7 + 1 + 2 + 12 + 4 + 8 + 7 + 612 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971212487617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6092578 + ... + 6860169.

Almost surely, 2^{4971212487612} is an apocalyptic number.

4971212487612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4971212487612 is an abundant number, since it is smaller than the sum of its proper divisors (9399498741444).

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

4971212487612 is a wasteful number, since it uses less digits than its factorization.

4971212487612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954287 (or 12954282 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 4971212487612 in words is "four trillion, nine hundred seventy-one billion, two hundred twelve million, four hundred eighty-seven thousand, six hundred twelve".