102010203120 has 160 divisors (see below), whose sum is σ = 368783539200. Its totient is φ = 23316599040.

The previous prime is 102010203059. The next prime is 102010203143. The reversal of 102010203120 is 21302010201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102010203096 and 102010203105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537276 + ... + 701915.

It is an arithmetic number, because the mean of its divisors is an integer number (2304897120).

Almost surely, 2^102010203120 is an apocalyptic number.

102010203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010203120 is an abundant number, since it is smaller than the sum of its proper divisors (266773336080).

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

102010203120 is a wasteful number, since it uses less digits than its factorization.

102010203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239228 (or 1239208 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102010203120 its reverse (21302010201), we get a palindrome (123312213321).

The spelling of 102010203120 in words is "one hundred two billion, ten million, two hundred three thousand, one hundred twenty".