12061954460 has 24 divisors (see below), whose sum is σ = 25333213920. Its totient is φ = 4824189504.

The previous prime is 12061954397. The next prime is 12061954477. The reversal of 12061954460 is 6445916021.

It is a super-2 number, since 2×12061954460² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 154022 + ... + 218738.

It is an arithmetic number, because the mean of its divisors is an integer number (1055550580).

Almost surely, 2^12061954460 is an apocalyptic number.

12061954460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12061954460 is an abundant number, since it is smaller than the sum of its proper divisors (13271259460).

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

12061954460 is a wasteful number, since it uses less digits than its factorization.

12061954460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74045 (or 74043 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 12061954460 in words is "twelve billion, sixty-one million, nine hundred fifty-four thousand, four hundred sixty".