4012685894152 has 32 divisors (see below), whose sum is σ = 8186070173400. Its totient is φ = 1832915994624.

The previous prime is 4012685894081. The next prime is 4012685894153. The reversal of 4012685894152 is 2514985862104.

It can be written as a sum of positive squares in 4 ways, for example, as 3030711919236 + 981973974916 = 1740894^2 + 990946^2 .

It is a super-2 number, since 2×4012685894152² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4012685894093 and 4012685894102.

It is not an unprimeable number, because it can be changed into a prime (4012685894153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198874027 + ... + 198894202.

Almost surely, 2^{4012685894152} is an apocalyptic number.

It is an amenable number.

4012685894152 is an abundant number, since it is smaller than the sum of its proper divisors (4173384279248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012685894152 is a wasteful number, since it uses less digits than its factorization.

4012685894152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397768345 (or 397768341 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 4012685894152 in words is "four trillion, twelve billion, six hundred eighty-five million, eight hundred ninety-four thousand, one hundred fifty-two".