1221033233002 has 16 divisors (see below), whose sum is σ = 1999583161632. Its totient is φ = 554590444720.

The previous prime is 1221033232987. The next prime is 1221033233027. The reversal of 1221033233002 is 2003323301221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21203653 + ... + 21261160.

It is an arithmetic number, because the mean of its divisors is an integer number (124973947602).

Almost surely, 2^{1221033233002} is an apocalyptic number.

1221033233002 is a deficient number, since it is larger than the sum of its proper divisors (778549928630).

1221033233002 is a wasteful number, since it uses less digits than its factorization.

1221033233002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42466133.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1221033233002 its reverse (2003323301221), we get a palindrome (3224356534223).

The spelling of 1221033233002 in words is "one trillion, two hundred twenty-one billion, thirty-three million, two hundred thirty-three thousand, two".