1012656345 has 32 divisors (see below), whose sum is σ = 1642298112. Its totient is φ = 532776192.

The previous prime is 1012656317. The next prime is 1012656371. The reversal of 1012656345 is 5436562101.

It is not a de Polignac number, because 1012656345 - 2¹¹ = 1012654297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451567 + ... + 453803.

It is an arithmetic number, because the mean of its divisors is an integer number (51321816).

Almost surely, 2^1012656345 is an apocalyptic number.

1012656345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012656345 is a deficient number, since it is larger than the sum of its proper divisors (629641767).

1012656345 is a wasteful number, since it uses less digits than its factorization.

1012656345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1012656345 is about 31822.2617832234. The cubic root of 1012656345 is about 1004.2011076457.

The spelling of 1012656345 in words is "one billion, twelve million, six hundred fifty-six thousand, three hundred forty-five".