1220412025333 has 4 divisors (see below), whose sum is σ = 1224755128908. Its totient is φ = 1216068921760.

The previous prime is 1220412025307. The next prime is 1220412025351. The reversal of 1220412025333 is 3335202140221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 311835130084 + 908576895249 = 558422^2 + 953193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220412025333 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 (1220410025333) 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, 2171551366 + ... + 2171551927.

It is an arithmetic number, because the mean of its divisors is an integer number (306188782227).

Almost surely, 2^{1220412025333} is an apocalyptic number.

It is an amenable number.

1220412025333 is a deficient number, since it is larger than the sum of its proper divisors (4343103575).

1220412025333 is an equidigital number, since it uses as much as digits as its factorization.

1220412025333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343103574.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1220412025333 its reverse (3335202140221), we get a palindrome (4555614165554).

The spelling of 1220412025333 in words is "one trillion, two hundred twenty billion, four hundred twelve million, twenty-five thousand, three hundred thirty-three".