1011051312 has 20 divisors (see below), whose sum is σ = 2611882680. Its totient is φ = 337017088.

The previous prime is 1011051311. The next prime is 1011051337. The reversal of 1011051312 is 2131501101.

It is a junction number, because it is equal to n+sod(n) for n = 1011051291 and 1011051300.

It is not an unprimeable number, because it can be changed into a prime (1011051311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10531737 + ... + 10531832.

It is an arithmetic number, because the mean of its divisors is an integer number (130594134).

Almost surely, 2^1011051312 is an apocalyptic number.

1011051312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011051312 is an abundant number, since it is smaller than the sum of its proper divisors (1600831368).

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

1011051312 is a wasteful number, since it uses less digits than its factorization.

1011051312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21063580 (or 21063574 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1011051312 is about 31797.0330691403. The cubic root of 1011051312 is about 1003.6702832071.

Adding to 1011051312 its reverse (2131501101), we get a palindrome (3142552413).

The spelling of 1011051312 in words is "one billion, eleven million, fifty-one thousand, three hundred twelve".