120012211221102 has 96 divisors (see below), whose sum is σ = 269674838716608. Its totient is φ = 38541002024448.

The previous prime is 120012211221043. The next prime is 120012211221131. The reversal of 120012211221102 is 201122112210021.

120012211221102 is a `hidden beast` number, since 120 + 0 + 1 + 221 + 1 + 221 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703249978 + ... + 703420610.

It is an arithmetic number, because the mean of its divisors is an integer number (2809112903298).

Almost surely, 2^{120012211221102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120012211221102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134837419358304).

120012211221102 is an abundant number, since it is smaller than the sum of its proper divisors (149662627495506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120012211221102 is a wasteful number, since it uses less digits than its factorization.

120012211221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181034 (or 181031 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120012211221102 its reverse (201122112210021), we get a palindrome (321134323431123).

The spelling of 120012211221102 in words is "one hundred twenty trillion, twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred two".