12011212120302 has 24 divisors (see below), whose sum is σ = 26024356894536. Its totient is φ = 4003727532336.

The previous prime is 12011212120301. The next prime is 12011212120379. The reversal of 12011212120302 is 20302121211021.

12011212120302 is a `hidden beast` number, since 1 + 20 + 11 + 212 + 120 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011212120301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13009713 + ... + 13902339.

It is an arithmetic number, because the mean of its divisors is an integer number (1084348203939).

Almost surely, 2^{12011212120302} is an apocalyptic number.

12011212120302 is an abundant number, since it is smaller than the sum of its proper divisors (14013144774234).

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

12011212120302 is a wasteful number, since it uses less digits than its factorization.

12011212120302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640192 (or 1640189 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12011212120302 its reverse (20302121211021), we get a palindrome (32313333331323).

The spelling of 12011212120302 in words is "twelve trillion, eleven billion, two hundred twelve million, one hundred twenty thousand, three hundred two".