1051212442 has 32 divisors (see below), whose sum is σ = 1912273920. Its totient is φ = 423087360.

The previous prime is 1051212419. The next prime is 1051212469. The reversal of 1051212442 is 2442121501.

It is a super-2 number, since 2×1051212442² = 2210095196431206728, which contains 22 as substring.

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, 109392 + ... + 118612.

It is an arithmetic number, because the mean of its divisors is an integer number (59758560).

Almost surely, 2^1051212442 is an apocalyptic number.

1051212442 is a deficient number, since it is larger than the sum of its proper divisors (861061478).

1051212442 is a wasteful number, since it uses less digits than its factorization.

1051212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1051212442 is about 32422.4064807041. The cubic root of 1051212442 is about 1016.7874195489.

Adding to 1051212442 its reverse (2442121501), we get a palindrome (3493333943).

The spelling of 1051212442 in words is "one billion, fifty-one million, two hundred twelve thousand, four hundred forty-two".