1220401325212 has 6 divisors (see below), whose sum is σ = 2135702319128. Its totient is φ = 610200662604.

The previous prime is 1220401325203. The next prime is 1220401325317. The reversal of 1220401325212 is 2125231040221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152550165648 + ... + 152550165655.

Almost surely, 2^{1220401325212} is an apocalyptic number.

It is an amenable number.

1220401325212 is a deficient number, since it is larger than the sum of its proper divisors (915300993916).

1220401325212 is a wasteful number, since it uses less digits than its factorization.

1220401325212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305100331307 (or 305100331305 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1220401325212 its reverse (2125231040221), we get a palindrome (3345632365433).

The spelling of 1220401325212 in words is "one trillion, two hundred twenty billion, four hundred one million, three hundred twenty-five thousand, two hundred twelve".