1213200011033 has 4 divisors (see below), whose sum is σ = 1213204157568. Its totient is φ = 1213195864500.

The previous prime is 1213200011003. The next prime is 1213200011053. The reversal of 1213200011033 is 3301100023121.

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 1213200011033 - 2⁶ = 1213200010969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213200011003) 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, 1598093 + ... + 2231658.

It is an arithmetic number, because the mean of its divisors is an integer number (303301039392).

Almost surely, 2^{1213200011033} is an apocalyptic number.

It is an amenable number.

1213200011033 is a deficient number, since it is larger than the sum of its proper divisors (4146535).

1213200011033 is an equidigital number, since it uses as much as digits as its factorization.

1213200011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146534.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1213200011033 its reverse (3301100023121), we get a palindrome (4514300034154).

The spelling of 1213200011033 in words is "one trillion, two hundred thirteen billion, two hundred million, eleven thousand, thirty-three".