1221033032413 has 8 divisors (see below), whose sum is σ = 1223076026880. Its totient is φ = 1218991391760.

The previous prime is 1221033032407. The next prime is 1221033032533. The reversal of 1221033032413 is 3142303301221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1221033032413 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 (1221033092413) 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, 1475008 + ... + 2148886.

It is an arithmetic number, because the mean of its divisors is an integer number (152884503360).

Almost surely, 2^{1221033032413} is an apocalyptic number.

It is an amenable number.

1221033032413 is a deficient number, since it is larger than the sum of its proper divisors (2042994467).

1221033032413 is an equidigital number, since it uses as much as digits as its factorization.

1221033032413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676907.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1221033032413 its reverse (3142303301221), we get a palindrome (4363336333634).

The spelling of 1221033032413 in words is "one trillion, two hundred twenty-one billion, thirty-three million, thirty-two thousand, four hundred thirteen".