10212120010 has 16 divisors (see below), whose sum is σ = 18383104872. Its totient is φ = 4084561600.

The previous prime is 10212119947. The next prime is 10212120029. The reversal of 10212120010 is 1002121201.

It can be written as a sum of positive squares in 4 ways, for example, as 5587712001 + 4624408009 = 74751^2 + 68003^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 170640 + ... + 222580.

Almost surely, 2^10212120010 is an apocalyptic number.

10212120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212120010 is a deficient number, since it is larger than the sum of its proper divisors (8170984862).

10212120010 is a wasteful number, since it uses less digits than its factorization.

10212120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71609.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10212120010 its reverse (1002121201), we get a palindrome (11214241211).

The spelling of 10212120010 in words is "ten billion, two hundred twelve million, one hundred twenty thousand, ten".