10212403212 has 60 divisors (see below), whose sum is σ = 29124271176. Its totient is φ = 3094666560.

The previous prime is 10212403153. The next prime is 10212403241. The reversal of 10212403212 is 21230421201.

It is a happy number.

10212403212 is a `hidden beast` number, since 102 + 1 + 240 + 321 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1429153 + ... + 1436280.

Almost surely, 2^10212403212 is an apocalyptic number.

10212403212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212403212 is an abundant number, since it is smaller than the sum of its proper divisors (18911867964).

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

10212403212 is a wasteful number, since it uses less digits than its factorization.

10212403212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865460 (or 2865449 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10212403212 its reverse (21230421201), we get a palindrome (31442824413).

The spelling of 10212403212 in words is "ten billion, two hundred twelve million, four hundred three thousand, two hundred twelve".