1220000020012 has 24 divisors (see below), whose sum is σ = 2178529436160. Its totient is φ = 597680924880.

The previous prime is 1220000019971. The next prime is 1220000020021. The reversal of 1220000020012 is 2100200000221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14694328 + ... + 14777119.

It is an arithmetic number, because the mean of its divisors is an integer number (90772059840).

Almost surely, 2^{1220000020012} is an apocalyptic number.

It is an amenable number.

1220000020012 is a deficient number, since it is larger than the sum of its proper divisors (958529416148).

1220000020012 is a wasteful number, since it uses less digits than its factorization.

1220000020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29471661 (or 29471659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1220000020012 its reverse (2100200000221), we get a palindrome (3320200020233).

The spelling of 1220000020012 in words is "one trillion, two hundred twenty billion, twenty thousand, twelve".