1220012020102 has 16 divisors (see below), whose sum is σ = 1922230294272. Its totient is φ = 579619873800.

The previous prime is 1220012020061. The next prime is 1220012020141. The reversal of 1220012020102 is 2010202100221.

It is a happy number.

It is a congruent number.

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, 87814248 + ... + 87828139.

It is an arithmetic number, because the mean of its divisors is an integer number (120139393392).

Almost surely, 2^{1220012020102} is an apocalyptic number.

1220012020102 is a deficient number, since it is larger than the sum of its proper divisors (702218274170).

1220012020102 is a wasteful number, since it uses less digits than its factorization.

1220012020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175642563.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220012020102 its reverse (2010202100221), we get a palindrome (3230214120323).

The spelling of 1220012020102 in words is "one trillion, two hundred twenty billion, twelve million, twenty thousand, one hundred two".