1200221020102 has 16 divisors (see below), whose sum is σ = 1940815335312. Its totient is φ = 553377659040.

The previous prime is 1200221020073. The next prime is 1200221020111. The reversal of 1200221020102 is 2010201220021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 23745273 + ... + 23795764.

It is an arithmetic number, because the mean of its divisors is an integer number (121300958457).

Almost surely, 2^{1200221020102} is an apocalyptic number.

1200221020102 is a deficient number, since it is larger than the sum of its proper divisors (740594315210).

1200221020102 is a wasteful number, since it uses less digits than its factorization.

1200221020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47542023.

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

Adding to 1200221020102 its reverse (2010201220021), we get a palindrome (3210422240123).

The spelling of 1200221020102 in words is "one trillion, two hundred billion, two hundred twenty-one million, twenty thousand, one hundred two".