1220445515032 has 16 divisors (see below), whose sum is σ = 2288355438600. Its totient is φ = 610217398080.

The previous prime is 1220445514933. The next prime is 1220445515041. The reversal of 1220445515032 is 2305155440221.

It is a happy number.

It is a super-2 number, since 2×1220445515032² (a number of 25 digits) contains 22 as substring.

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, 398019 + ... + 1612237.

Almost surely, 2^{1220445515032} is an apocalyptic number.

It is an amenable number.

1220445515032 is a deficient number, since it is larger than the sum of its proper divisors (1067909923568).

1220445515032 is a wasteful number, since it uses less digits than its factorization.

1220445515032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339866 (or 1339862 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 1220445515032 in words is "one trillion, two hundred twenty billion, four hundred forty-five million, five hundred fifteen thousand, thirty-two".