1212222020102 has 16 divisors (see below), whose sum is σ = 1822851853200. Its totient is φ = 604605973920.

The previous prime is 1212222020071. The next prime is 1212222020171. The reversal of 1212222020102 is 2010202222121.

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, 1657424 + ... + 2274092.

It is an arithmetic number, because the mean of its divisors is an integer number (113928240825).

Almost surely, 2^{1212222020102} is an apocalyptic number.

1212222020102 is a deficient number, since it is larger than the sum of its proper divisors (610629833098).

1212222020102 is a wasteful number, since it uses less digits than its factorization.

1212222020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619111.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212222020102 its reverse (2010202222121), we get a palindrome (3222424242223).

The spelling of 1212222020102 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, twenty thousand, one hundred two".