10621471958612 has 24 divisors (see below), whose sum is σ = 18807081216000. Its totient is φ = 5248274609376.

The previous prime is 10621471958557. The next prime is 10621471958621. The reversal of 10621471958612 is 21685917412601.

It is a happy number.

It is a super-2 number, since 2×10621471958612² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31636112 + ... + 31970087.

It is an arithmetic number, because the mean of its divisors is an integer number (783628384000).

Almost surely, 2^{10621471958612} is an apocalyptic number.

It is an amenable number.

10621471958612 is a deficient number, since it is larger than the sum of its proper divisors (8185609257388).

10621471958612 is a wasteful number, since it uses less digits than its factorization.

10621471958612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63606695 (or 63606693 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 10621471958612 in words is "ten trillion, six hundred twenty-one billion, four hundred seventy-one million, nine hundred fifty-eight thousand, six hundred twelve".