10212051306465 has 24 divisors (see below), whose sum is σ = 17710794436608. Its totient is φ = 5443379515680.

The previous prime is 10212051306461. The next prime is 10212051306487. The reversal of 10212051306465 is 56460315021201.

10212051306465 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 2 + 0 + 5 + 1 + 3 + 0 + 646 + 5 = 666.

10212051306465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10212051306465 - 2² = 10212051306461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10212051306461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63415521 + ... + 63576350.

It is an arithmetic number, because the mean of its divisors is an integer number (737949768192).

Almost surely, 2^{10212051306465} is an apocalyptic number.

10212051306465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10212051306465 is a deficient number, since it is larger than the sum of its proper divisors (7498743130143).

10212051306465 is a wasteful number, since it uses less digits than its factorization.

10212051306465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126993669 (or 126993666 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 10212051306465 its reverse (56460315021201), we get a palindrome (66672366327666).

The spelling of 10212051306465 in words is "ten trillion, two hundred twelve billion, fifty-one million, three hundred six thousand, four hundred sixty-five".