102420121300 has 144 divisors (see below), whose sum is σ = 268111728640. Its totient is φ = 33175059840.

The previous prime is 102420121267. The next prime is 102420121327. The reversal of 102420121300 is 3121024201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4870609 + ... + 4891591.

Almost surely, 2^102420121300 is an apocalyptic number.

102420121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102420121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134055864320).

102420121300 is an abundant number, since it is smaller than the sum of its proper divisors (165691607340).

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

102420121300 is a wasteful number, since it uses less digits than its factorization.

102420121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21390 (or 21383 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102420121300 its reverse (3121024201), we get a palindrome (105541145501).

The spelling of 102420121300 in words is "one hundred two billion, four hundred twenty million, one hundred twenty-one thousand, three hundred".