1220412034511 has 8 divisors (see below), whose sum is σ = 1225085250624. Its totient is φ = 1215740067840.

The previous prime is 1220412034489. The next prime is 1220412034529. The reversal of 1220412034511 is 1154302140221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1220412034511 - 2¹⁸ = 1220411772367 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 (1220412064511) 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, 1668911 + ... + 2286063.

It is an arithmetic number, because the mean of its divisors is an integer number (153135656328).

Almost surely, 2^{1220412034511} is an apocalyptic number.

1220412034511 is a deficient number, since it is larger than the sum of its proper divisors (4673216113).

1220412034511 is an equidigital number, since it uses as much as digits as its factorization.

1220412034511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624721.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1220412034511 its reverse (1154302140221), we get a palindrome (2374714174732).

The spelling of 1220412034511 in words is "one trillion, two hundred twenty billion, four hundred twelve million, thirty-four thousand, five hundred eleven".