12121112010102 has 32 divisors (see below), whose sum is σ = 24504540228960. Its totient is φ = 3996772243200.

The previous prime is 12121112010083. The next prime is 12121112010107. The reversal of 12121112010102 is 20101021112121.

It is a happy number.

12121112010102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12121112010102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121112010107) 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, 14716399 + ... + 15518202.

It is an arithmetic number, because the mean of its divisors is an integer number (765766882155).

Almost surely, 2^{12121112010102} is an apocalyptic number.

12121112010102 is an abundant number, since it is smaller than the sum of its proper divisors (12383428218858).

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

12121112010102 is a wasteful number, since it uses less digits than its factorization.

12121112010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30235328.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12121112010102 its reverse (20101021112121), we get a palindrome (32222133122223).

The spelling of 12121112010102 in words is "twelve trillion, one hundred twenty-one billion, one hundred twelve million, ten thousand, one hundred two".