10212312144 has 80 divisors (see below), whose sum is σ = 27897214464. Its totient is φ = 3213926400.

The previous prime is 10212312137. The next prime is 10212312163. The reversal of 10212312144 is 44121321201.

It is a self number, because there is not a number n which added to its sum of digits gives 10212312144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22689 + ... + 144704.

Almost surely, 2^10212312144 is an apocalyptic number.

It is an amenable number.

10212312144 is an abundant number, since it is smaller than the sum of its proper divisors (17684902320).

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

10212312144 is a wasteful number, since it uses less digits than its factorization.

10212312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167476 (or 167470 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10212312144 its reverse (44121321201), we get a palindrome (54333633345).

The spelling of 10212312144 in words is "ten billion, two hundred twelve million, three hundred twelve thousand, one hundred forty-four".