1220355213404 has 12 divisors (see below), whose sum is σ = 2156355814704. Its totient is φ = 604253552064.

The previous prime is 1220355213347. The next prime is 1220355213419. The reversal of 1220355213404 is 4043125530221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481013197 + ... + 1481014020.

It is an arithmetic number, because the mean of its divisors is an integer number (179696317892).

Almost surely, 2^{1220355213404} is an apocalyptic number.

It is an amenable number.

1220355213404 is a deficient number, since it is larger than the sum of its proper divisors (936000601300).

1220355213404 is a wasteful number, since it uses less digits than its factorization.

1220355213404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962027324 (or 2962027322 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 1220355213404 in words is "one trillion, two hundred twenty billion, three hundred fifty-five million, two hundred thirteen thousand, four hundred four".