10215245012 has 36 divisors (see below), whose sum is σ = 21512412180. Its totient is φ = 4226995584.

The previous prime is 10215244993. The next prime is 10215245113. The reversal of 10215245012 is 21054251201.

It can be written as a sum of positive squares in 2 ways, for example, as 6078697156 + 4136547856 = 77966^2 + 64316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892913 + ... + 904280.

It is an arithmetic number, because the mean of its divisors is an integer number (597567005).

Almost surely, 2^10215245012 is an apocalyptic number.

It is an amenable number.

10215245012 is an abundant number, since it is smaller than the sum of its proper divisors (11297167168).

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

10215245012 is a wasteful number, since it uses less digits than its factorization.

10215245012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797240 (or 1797231 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 10215245012 its reverse (21054251201), we get a palindrome (31269496213).

The spelling of 10215245012 in words is "ten billion, two hundred fifteen million, two hundred forty-five thousand, twelve".