12051616406 has 16 divisors (see below), whose sum is σ = 18882505728. Its totient is φ = 5757978600.

The previous prime is 12051616363. The next prime is 12051616439. The reversal of 12051616406 is 60461615021.

It is a super-3 number, since 3×12051616406³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86600 + ... + 177771.

It is an arithmetic number, because the mean of its divisors is an integer number (1180156608).

Almost surely, 2^12051616406 is an apocalyptic number.

12051616406 is a deficient number, since it is larger than the sum of its proper divisors (6830889322).

12051616406 is a wasteful number, since it uses less digits than its factorization.

12051616406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265387.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 12051616406 in words is "twelve billion, fifty-one million, six hundred sixteen thousand, four hundred six".