1200212111231 has 12 divisors (see below), whose sum is σ = 1398940813872. Its totient is φ = 1026707982048.

The previous prime is 1200212111183. The next prime is 1200212111239. The reversal of 1200212111231 is 1321112120021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1200212111231 is a prime.

It is a super-2 number, since 2×1200212111231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200212111239) 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, 24323390 + ... + 24372683.

It is an arithmetic number, because the mean of its divisors is an integer number (116578401156).

Almost surely, 2^{1200212111231} is an apocalyptic number.

1200212111231 is a deficient number, since it is larger than the sum of its proper divisors (198728702641).

1200212111231 is an equidigital number, since it uses as much as digits as its factorization.

1200212111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48696590 (or 48696583 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1200212111231 its reverse (1321112120021), we get a palindrome (2521324231252).

The spelling of 1200212111231 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred eleven thousand, two hundred thirty-one".