1051612312 has 8 divisors (see below), whose sum is σ = 1971773100. Its totient is φ = 525806152.

The previous prime is 1051612259. The next prime is 1051612319. The reversal of 1051612312 is 2132161501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1051612312² = 2211776909499970688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051612319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65725762 + ... + 65725777.

Almost surely, 2^1051612312 is an apocalyptic number.

It is an amenable number.

1051612312 is a deficient number, since it is larger than the sum of its proper divisors (920160788).

1051612312 is a wasteful number, since it uses less digits than its factorization.

1051612312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131451545 (or 131451541 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1051612312 is about 32428.5724631844. The cubic root of 1051612312 is about 1016.9163282347.

Adding to 1051612312 its reverse (2132161501), we get a palindrome (3183773813).

The spelling of 1051612312 in words is "one billion, fifty-one million, six hundred twelve thousand, three hundred twelve".