1051223512 has 16 divisors (see below), whose sum is σ = 1983138840. Its totient is φ = 522386496.

The previous prime is 1051223497. The next prime is 1051223513. The reversal of 1051223512 is 2153221501.

It is a super-2 number, since 2×1051223512² = 2210141744363228288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051223513) 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, 401773 + ... + 404380.

Almost surely, 2^1051223512 is an apocalyptic number.

It is an amenable number.

1051223512 is a deficient number, since it is larger than the sum of its proper divisors (931915328).

1051223512 is a wasteful number, since it uses less digits than its factorization.

1051223512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806322 (or 806318 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1051223512 is about 32422.5771955284. The cubic root of 1051223512 is about 1016.7909886966.

The spelling of 1051223512 in words is "one billion, fifty-one million, two hundred twenty-three thousand, five hundred twelve".