1201002112102 has 16 divisors (see below), whose sum is σ = 1940098451760. Its totient is φ = 554303490912.

The previous prime is 1201002112087. The next prime is 1201002112147. The reversal of 1201002112102 is 2012112001021.

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, 5022924 + ... + 5256592.

It is an arithmetic number, because the mean of its divisors is an integer number (121256153235).

Almost surely, 2^{1201002112102} is an apocalyptic number.

1201002112102 is a deficient number, since it is larger than the sum of its proper divisors (739096339658).

1201002112102 is a wasteful number, since it uses less digits than its factorization.

1201002112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431367.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201002112102 its reverse (2012112001021), we get a palindrome (3213114113123).

The spelling of 1201002112102 in words is "one trillion, two hundred one billion, two million, one hundred twelve thousand, one hundred two".