1221330233032 has 32 divisors (see below), whose sum is σ = 2818454385600. Its totient is φ = 483163608384.

The previous prime is 1221330232987. The next prime is 1221330233051. The reversal of 1221330233032 is 2303320331221.

It is a junction number, because it is equal to n+sod(n) for n = 1221330232988 and 1221330233006.

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, 838824982 + ... + 838826437.

It is an arithmetic number, because the mean of its divisors is an integer number (88076699550).

Almost surely, 2^{1221330233032} is an apocalyptic number.

It is an amenable number.

1221330233032 is an abundant number, since it is smaller than the sum of its proper divisors (1597124152568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1221330233032 is a wasteful number, since it uses less digits than its factorization.

1221330233032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677651445 (or 1677651441 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1221330233032 its reverse (2303320331221), we get a palindrome (3524650564253).

The spelling of 1221330233032 in words is "one trillion, two hundred twenty-one billion, three hundred thirty million, two hundred thirty-three thousand, thirty-two".