1220210311233 has 64 divisors (see below), whose sum is σ = 1733751226368. Its totient is φ = 762184200960.

The previous prime is 1220210311219. The next prime is 1220210311249. The reversal of 1220210311233 is 3321130120221.

It is not a de Polignac number, because 1220210311233 - 2¹² = 1220210307137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220210311273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 631251135 + ... + 631253067.

It is an arithmetic number, because the mean of its divisors is an integer number (27089862912).

Almost surely, 2^{1220210311233} is an apocalyptic number.

It is an amenable number.

1220210311233 is a deficient number, since it is larger than the sum of its proper divisors (513540915135).

1220210311233 is a wasteful number, since it uses less digits than its factorization.

1220210311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1220210311233 its reverse (3321130120221), we get a palindrome (4541340431454).

The spelling of 1220210311233 in words is "one trillion, two hundred twenty billion, two hundred ten million, three hundred eleven thousand, two hundred thirty-three".