12012021121102 has 16 divisors (see below), whose sum is σ = 18808061145120. Its totient is φ = 5742851761152.

The previous prime is 12012021121081. The next prime is 12012021121123. The reversal of 12012021121102 is 20112112021021.

It is an interprime number because it is at equal distance from previous prime (12012021121081) and next prime (12012021121123).

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, 45957027 + ... + 46217662.

It is an arithmetic number, because the mean of its divisors is an integer number (1175503821570).

Almost surely, 2^{12012021121102} is an apocalyptic number.

12012021121102 is a deficient number, since it is larger than the sum of its proper divisors (6796040024018).

12012021121102 is a wasteful number, since it uses less digits than its factorization.

12012021121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92177547.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012021121102 its reverse (20112112021021), we get a palindrome (32124133142123).

The spelling of 12012021121102 in words is "twelve trillion, twelve billion, twenty-one million, one hundred twenty-one thousand, one hundred two".