1201211102313 has 48 divisors (see below), whose sum is σ = 1772226293760. Its totient is φ = 783742377600.

The previous prime is 1201211102309. The next prime is 1201211102321. The reversal of 1201211102313 is 3132011121021.

1201211102313 is a `hidden beast` number, since 120 + 121 + 110 + 2 + 313 = 666.

It is not a de Polignac number, because 1201211102313 - 2² = 1201211102309 is a prime.

It is a super-2 number, since 2×1201211102313² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201211102383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504497383 + ... + 504499763.

It is an arithmetic number, because the mean of its divisors is an integer number (36921381120).

Almost surely, 2^{1201211102313} is an apocalyptic number.

It is an amenable number.

1201211102313 is a deficient number, since it is larger than the sum of its proper divisors (571015191447).

1201211102313 is a wasteful number, since it uses less digits than its factorization.

1201211102313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630 (or 4627 counting only the distinct ones).

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

Adding to 1201211102313 its reverse (3132011121021), we get a palindrome (4333222223334).

The spelling of 1201211102313 in words is "one trillion, two hundred one billion, two hundred eleven million, one hundred two thousand, three hundred thirteen".