1012400351 has 16 divisors (see below), whose sum is σ = 1104668160. Its totient is φ = 924644160.

The previous prime is 1012400297. The next prime is 1012400359. The reversal of 1012400351 is 1530042101.

It is not a de Polignac number, because 1012400351 - 2¹⁰ = 1012399327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012400359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51371 + ... + 68291.

It is an arithmetic number, because the mean of its divisors is an integer number (69041760).

Almost surely, 2^1012400351 is an apocalyptic number.

1012400351 is a deficient number, since it is larger than the sum of its proper divisors (92267809).

1012400351 is a wasteful number, since it uses less digits than its factorization.

1012400351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1012400351 is about 31818.2392818962. The cubic root of 1012400351 is about 1004.1164816602.

Adding to 1012400351 its reverse (1530042101), we get a palindrome (2542442452).

The spelling of 1012400351 in words is "one billion, twelve million, four hundred thousand, three hundred fifty-one".