202012233102 has 24 divisors (see below), whose sum is σ = 440842048920. Its totient is φ = 66852968400.

The previous prime is 202012233089. The next prime is 202012233103. The reversal of 202012233102 is 201332210202.

202012233102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012233103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40367649 + ... + 40372652.

It is an arithmetic number, because the mean of its divisors is an integer number (18368418705).

Almost surely, 2^202012233102 is an apocalyptic number.

202012233102 is an abundant number, since it is smaller than the sum of its proper divisors (238829815818).

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

202012233102 is a wasteful number, since it uses less digits than its factorization.

202012233102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80740448 (or 80740445 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202012233102 its reverse (201332210202), we get a palindrome (403344443304).

The spelling of 202012233102 in words is "two hundred two billion, twelve million, two hundred thirty-three thousand, one hundred two".