12011201229990 has 64 divisors (see below), whose sum is σ = 29769557388480. Its totient is φ = 3099201937920.

The previous prime is 12011201229967. The next prime is 12011201230033. The reversal of 12011201229990 is 9992210211021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29691085 + ... + 30092904.

It is an arithmetic number, because the mean of its divisors is an integer number (465149334195).

Almost surely, 2^{12011201229990} is an apocalyptic number.

12011201229990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011201229990 is an abundant number, since it is smaller than the sum of its proper divisors (17758356158490).

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

12011201229990 is a wasteful number, since it uses less digits than its factorization.

12011201229990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59784217.

The product of its (nonzero) digits is 11664, while the sum is 39.

The spelling of 12011201229990 in words is "twelve trillion, eleven billion, two hundred one million, two hundred twenty-nine thousand, nine hundred ninety".