12021120202102 has 32 divisors (see below), whose sum is σ = 19678379811840. Its totient is φ = 5462074986720.

The previous prime is 12021120202099. The next prime is 12021120202109. The reversal of 12021120202102 is 20120202112021.

It is a happy number.

It is a super-3 number, since 3×12021120202102³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021120202109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023678043 + ... + 1023689785.

It is an arithmetic number, because the mean of its divisors is an integer number (614949369120).

Almost surely, 2^{12021120202102} is an apocalyptic number.

12021120202102 is a deficient number, since it is larger than the sum of its proper divisors (7657259609738).

12021120202102 is a wasteful number, since it uses less digits than its factorization.

12021120202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25428.

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

Adding to 12021120202102 its reverse (20120202112021), we get a palindrome (32141322314123).

The spelling of 12021120202102 in words is "twelve trillion, twenty-one billion, one hundred twenty million, two hundred two thousand, one hundred two".