123201321194 has 32 divisors (see below), whose sum is σ = 211553911296. Its totient is φ = 52712740080.

The previous prime is 123201321179. The next prime is 123201321253. The reversal of 123201321194 is 491123102321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30591809 + ... + 30595835.

It is an arithmetic number, because the mean of its divisors is an integer number (6611059728).

Almost surely, 2^123201321194 is an apocalyptic number.

123201321194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123201321194 is a deficient number, since it is larger than the sum of its proper divisors (88352590102).

123201321194 is a wasteful number, since it uses less digits than its factorization.

123201321194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 123201321194 in words is "one hundred twenty-three billion, two hundred one million, three hundred twenty-one thousand, one hundred ninety-four".