12191975551030 has 16 divisors (see below), whose sum is σ = 23940606536784. Its totient is φ = 4433445654880.

The previous prime is 12191975551027. The next prime is 12191975551031. The reversal of 12191975551030 is 3015557919121.

12191975551030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12191975551031) 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, 55418070577 + ... + 55418070796.

It is an arithmetic number, because the mean of its divisors is an integer number (1496287908549).

Almost surely, 2^{12191975551030} is an apocalyptic number.

12191975551030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12191975551030 is a deficient number, since it is larger than the sum of its proper divisors (11748630985754).

12191975551030 is a wasteful number, since it uses less digits than its factorization.

12191975551030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110836141391.

The product of its (nonzero) digits is 425250, while the sum is 49.

The spelling of 12191975551030 in words is "twelve trillion, one hundred ninety-one billion, nine hundred seventy-five million, five hundred fifty-one thousand, thirty".