6217219125972 has 144 divisors (see below), whose sum is σ = 17125538478720. Its totient is φ = 1950171116544.

The previous prime is 6217219125899. The next prime is 6217219126007. The reversal of 6217219125972 is 2795219127126.

6217219125972 is a `hidden beast` number, since 6 + 2 + 17 + 21 + 9 + 12 + 597 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239913688 + ... + 239939600.

Almost surely, 2^{6217219125972} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6217219125972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8562769239360).

6217219125972 is an abundant number, since it is smaller than the sum of its proper divisors (10908319352748).

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

6217219125972 is a wasteful number, since it uses less digits than its factorization.

6217219125972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33647 (or 33622 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The spelling of 6217219125972 in words is "six trillion, two hundred seventeen billion, two hundred nineteen million, one hundred twenty-five thousand, nine hundred seventy-two".