132221231999978 has 16 divisors (see below), whose sum is σ = 218968787280096. Its totient is φ = 59376456866640.

The previous prime is 132221231999977. The next prime is 132221232000017. The reversal of 132221231999978 is 879999132122231.

It is not an unprimeable number, because it can be changed into a prime (132221231999971) 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, 36205154801 + ... + 36205158452.

It is an arithmetic number, because the mean of its divisors is an integer number (13685549205006).

Almost surely, 2^{132221231999978} is an apocalyptic number.

132221231999978 is a deficient number, since it is larger than the sum of its proper divisors (86747555280118).

132221231999978 is a wasteful number, since it uses less digits than its factorization.

132221231999978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72410313349.

The product of its digits is 52907904, while the sum is 68.

The spelling of 132221231999978 in words is "one hundred thirty-two trillion, two hundred twenty-one billion, two hundred thirty-one million, nine hundred ninety-nine thousand, nine hundred seventy-eight".