1012130021233 has 4 divisors (see below), whose sum is σ = 1012588623360. Its totient is φ = 1011671419108.

The previous prime is 1012130021197. The next prime is 1012130021237. The reversal of 1012130021233 is 3321200312101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012130021233 - 2²¹ = 1012127924081 is a prime.

It is a super-2 number, since 2×1012130021233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012130021233.

It is not an unprimeable number, because it can be changed into a prime (1012130021237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229297753 + ... + 229302166.

It is an arithmetic number, because the mean of its divisors is an integer number (253147155840).

Almost surely, 2^{1012130021233} is an apocalyptic number.

It is an amenable number.

1012130021233 is a deficient number, since it is larger than the sum of its proper divisors (458602127).

1012130021233 is an equidigital number, since it uses as much as digits as its factorization.

1012130021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458602126.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1012130021233 its reverse (3321200312101), we get a palindrome (4333330333334).

The spelling of 1012130021233 in words is "one trillion, twelve billion, one hundred thirty million, twenty-one thousand, two hundred thirty-three".