202003121124 has 108 divisors (see below), whose sum is σ = 597096235008. Its totient is φ = 57412908000.

The previous prime is 202003121101. The next prime is 202003121147. The reversal of 202003121124 is 421121300202.

It is a happy number.

202003121124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202003121101) and next prime (202003121147).

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

It is a junction number, because it is equal to n+sod(n) for n = 202003121097 and 202003121106.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37149 + ... + 636699.

Almost surely, 2^202003121124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202003121124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298548117504).

202003121124 is an abundant number, since it is smaller than the sum of its proper divisors (395093113884).

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

202003121124 is a wasteful number, since it uses less digits than its factorization.

202003121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599766 (or 599754 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202003121124 its reverse (421121300202), we get a palindrome (623124421326).

The spelling of 202003121124 in words is "two hundred two billion, three million, one hundred twenty-one thousand, one hundred twenty-four".