1200212203131 has 6 divisors (see below), whose sum is σ = 1733639848980. Its totient is φ = 800141468748.

The previous prime is 1200212203123. The next prime is 1200212203133. The reversal of 1200212203131 is 1313022120021.

1200212203131 is a `hidden beast` number, since 120 + 0 + 212 + 20 + 313 + 1 = 666.

It is not a de Polignac number, because 1200212203131 - 2³ = 1200212203123 is a prime.

It is a super-2 number, since 2×1200212203131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200212203133) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 66678455721 + ... + 66678455738.

It is an arithmetic number, because the mean of its divisors is an integer number (288939974830).

Almost surely, 2^{1200212203131} is an apocalyptic number.

1200212203131 is a deficient number, since it is larger than the sum of its proper divisors (533427645849).

1200212203131 is a wasteful number, since it uses less digits than its factorization.

1200212203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133356911465 (or 133356911462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1200212203131 its reverse (1313022120021), we get a palindrome (2513234323152).

The spelling of 1200212203131 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred three thousand, one hundred thirty-one".