405288412012 has 24 divisors (see below), whose sum is σ = 774013704912. Its totient is φ = 184155033600.

The previous prime is 405288411943. The next prime is 405288412013. The reversal of 405288412012 is 210214882504.

It is a super-2 number, since 2×405288412012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405288412013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551789 + ... + 1794052.

It is an arithmetic number, because the mean of its divisors is an integer number (32250571038).

Almost surely, 2^405288412012 is an apocalyptic number.

It is an amenable number.

405288412012 is a deficient number, since it is larger than the sum of its proper divisors (368725292900).

405288412012 is a wasteful number, since it uses less digits than its factorization.

405288412012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348609 (or 3348607 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The spelling of 405288412012 in words is "four hundred five billion, two hundred eighty-eight million, four hundred twelve thousand, twelve".