1201012222102 has 32 divisors (see below), whose sum is σ = 2249689282560. Its totient is φ = 467168412480.

The previous prime is 1201012222093. The next prime is 1201012222147. The reversal of 1201012222102 is 2012222101021.

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 15 ways as a sum of consecutive naturals, for example, 6224902 + ... + 6414937.

It is an arithmetic number, because the mean of its divisors is an integer number (70302790080).

Almost surely, 2^{1201012222102} is an apocalyptic number.

1201012222102 is a deficient number, since it is larger than the sum of its proper divisors (1048677060458).

1201012222102 is a wasteful number, since it uses less digits than its factorization.

1201012222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640476.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1201012222102 its reverse (2012222101021), we get a palindrome (3213234323123).

The spelling of 1201012222102 in words is "one trillion, two hundred one billion, twelve million, two hundred twenty-two thousand, one hundred two".