1213303220332 has 48 divisors (see below), whose sum is σ = 2557139818240. Its totient is φ = 492076026432.

The previous prime is 1213303220287. The next prime is 1213303220369. The reversal of 1213303220332 is 2330223033121.

It is a junction number, because it is equal to n+sod(n) for n = 1213303220297 and 1213303220306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774723 + ... + 1739770.

Almost surely, 2^{1213303220332} is an apocalyptic number.

It is an amenable number.

1213303220332 is an abundant number, since it is smaller than the sum of its proper divisors (1343836597908).

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

1213303220332 is a wasteful number, since it uses less digits than its factorization.

1213303220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515430 (or 2515428 counting only the distinct ones).

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

Adding to 1213303220332 its reverse (2330223033121), we get a palindrome (3543526253453).

The spelling of 1213303220332 in words is "one trillion, two hundred thirteen billion, three hundred three million, two hundred twenty thousand, three hundred thirty-two".