210202304312140 has 96 divisors (see below), whose sum is σ = 520763989745664. Its totient is φ = 69743909537280.

The previous prime is 210202304312089. The next prime is 210202304312149. The reversal of 210202304312140 is 41213403202012.

It is not an unprimeable number, because it can be changed into a prime (210202304312149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 949728729 + ... + 949950031.

It is an arithmetic number, because the mean of its divisors is an integer number (5424624893184).

Almost surely, 2^{210202304312140} is an apocalyptic number.

210202304312140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202304312140 is an abundant number, since it is smaller than the sum of its proper divisors (310561685433524).

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

210202304312140 is a wasteful number, since it uses less digits than its factorization.

210202304312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440207 (or 440205 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 210202304312140 its reverse (41213403202012), we get a palindrome (251415707514152).

The spelling of 210202304312140 in words is "two hundred ten trillion, two hundred two billion, three hundred four million, three hundred twelve thousand, one hundred forty".