1212300211131 has 12 divisors (see below), whose sum is σ = 1775763690480. Its totient is φ = 796817039760.

The previous prime is 1212300211123. The next prime is 1212300211139. The reversal of 1212300211131 is 1311120032121.

1212300211131 is a `hidden beast` number, since 1 + 21 + 2 + 300 + 211 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (1212300211123) and next prime (1212300211139).

It is not a de Polignac number, because 1212300211131 - 2³ = 1212300211123 is a prime.

It is a super-2 number, since 2×1212300211131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212300211139) 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, 948591076 + ... + 948592353.

It is an arithmetic number, because the mean of its divisors is an integer number (147980307540).

Almost surely, 2^{1212300211131} is an apocalyptic number.

1212300211131 is a deficient number, since it is larger than the sum of its proper divisors (563463479349).

1212300211131 is a wasteful number, since it uses less digits than its factorization.

1212300211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897183506 (or 1897183503 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1212300211131 its reverse (1311120032121), we get a palindrome (2523420243252).

The spelling of 1212300211131 in words is "one trillion, two hundred twelve billion, three hundred million, two hundred eleven thousand, one hundred thirty-one".