1210012111933 has 2 divisors, whose sum is σ = 1210012111934. Its totient is φ = 1210012111932.

The previous prime is 1210012111883. The next prime is 1210012112021. The reversal of 1210012111933 is 3391112100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1002926137444 + 207085974489 = 1001462^2 + 455067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210012111933 - 2³³ = 1201422177341 is a prime.

It is a super-2 number, since 2×1210012111933² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210012111898 and 1210012111907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210012117933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605006055966 + 605006055967.

It is an arithmetic number, because the mean of its divisors is an integer number (605006055967).

Almost surely, 2^{1210012111933} is an apocalyptic number.

It is an amenable number.

1210012111933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210012111933 is an equidigital number, since it uses as much as digits as its factorization.

1210012111933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 1210012111933 in words is "one trillion, two hundred ten billion, twelve million, one hundred eleven thousand, nine hundred thirty-three".