12021010020102 has 32 divisors (see below), whose sum is σ = 24214673894400. Its totient is φ = 3978252804960.

The previous prime is 12021010020101. The next prime is 12021010020137. The reversal of 12021010020102 is 20102001012021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021010020101) 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, 1221424 + ... + 5053107.

It is an arithmetic number, because the mean of its divisors is an integer number (756708559200).

Almost surely, 2^{12021010020102} is an apocalyptic number.

12021010020102 is an abundant number, since it is smaller than the sum of its proper divisors (12193663874298).

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

12021010020102 is a wasteful number, since it uses less digits than its factorization.

12021010020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276828.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12021010020102 its reverse (20102001012021), we get a palindrome (32123011032123).

The spelling of 12021010020102 in words is "twelve trillion, twenty-one billion, ten million, twenty thousand, one hundred two".