5245129197612 has 60 divisors (see below), whose sum is σ = 14154120076096. Its totient is φ = 1691977157280.

The previous prime is 5245129197599. The next prime is 5245129197617. The reversal of 5245129197612 is 2167919215425.

5245129197612 is a `hidden beast` number, since 5 + 2 + 4 + 5 + 1 + 2 + 9 + 19 + 7 + 612 = 666.

It is a super-2 number, since 2×5245129197612² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5245129197617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 261097543 + ... + 261117630.

Almost surely, 2^{5245129197612} is an apocalyptic number.

It is an amenable number.

5245129197612 is an abundant number, since it is smaller than the sum of its proper divisors (8908990878484).

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

5245129197612 is a wasteful number, since it uses less digits than its factorization.

5245129197612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522215220 (or 522215209 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 5245129197612 in words is "five trillion, two hundred forty-five billion, one hundred twenty-nine million, one hundred ninety-seven thousand, six hundred twelve".