1200212313131 has 8 divisors (see below), whose sum is σ = 1292663485344. Its totient is φ = 1107779304960.

The previous prime is 1200212313121. The next prime is 1200212313187. The reversal of 1200212313131 is 1313132120021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200212313131 - 2¹⁸ = 1200212050987 is a prime.

It is a super-2 number, since 2×1200212313131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200212313121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4403615 + ... + 4668216.

It is an arithmetic number, because the mean of its divisors is an integer number (161582935668).

Almost surely, 2^{1200212313131} is an apocalyptic number.

1200212313131 is a deficient number, since it is larger than the sum of its proper divisors (92451172213).

1200212313131 is a wasteful number, since it uses less digits than its factorization.

1200212313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082021.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1200212313131 its reverse (1313132120021), we get a palindrome (2513344433152).

The spelling of 1200212313131 in words is "one trillion, two hundred billion, two hundred twelve million, three hundred thirteen thousand, one hundred thirty-one".