1312210021133 has 8 divisors (see below), whose sum is σ = 1431735782016. Its totient is φ = 1192723250400.

The previous prime is 1312210021081. The next prime is 1312210021181. The reversal of 1312210021133 is 3311200122131.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1312210021133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312210021033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9677141 + ... + 9811802.

It is an arithmetic number, because the mean of its divisors is an integer number (178966972752).

Almost surely, 2^{1312210021133} is an apocalyptic number.

It is an amenable number.

1312210021133 is a deficient number, since it is larger than the sum of its proper divisors (119525760883).

1312210021133 is a wasteful number, since it uses less digits than its factorization.

1312210021133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495075.

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

Adding to 1312210021133 its reverse (3311200122131), we get a palindrome (4623410143264).

The spelling of 1312210021133 in words is "one trillion, three hundred twelve billion, two hundred ten million, twenty-one thousand, one hundred thirty-three".