10521263612 has 24 divisors (see below), whose sum is σ = 19732011936. Its totient is φ = 4895909568.

The previous prime is 10521263609. The next prime is 10521263617. The reversal of 10521263612 is 21636212501.

It is a super-2 number, since 2×10521263612² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521263617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542023 + ... + 1548830.

It is an arithmetic number, because the mean of its divisors is an integer number (822167164).

Almost surely, 2^10521263612 is an apocalyptic number.

It is an amenable number.

10521263612 is a deficient number, since it is larger than the sum of its proper divisors (9210748324).

10521263612 is a wasteful number, since it uses less digits than its factorization.

10521263612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090917 (or 3090915 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 10521263612 in words is "ten billion, five hundred twenty-one million, two hundred sixty-three thousand, six hundred twelve".