30001002102 has 56 divisors (see below), whose sum is σ = 67511645784. Its totient is φ = 9994368384.

The previous prime is 30001002067. The next prime is 30001002137. The reversal of 30001002102 is 20120010003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30001002067) and next prime (30001002137).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2915238 + ... + 2925510.

Almost surely, 2^30001002102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30001002102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33755822892).

30001002102 is an abundant number, since it is smaller than the sum of its proper divisors (37510643682).

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

30001002102 is a wasteful number, since it uses less digits than its factorization.

30001002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12296 (or 12281 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 30001002102 its reverse (20120010003), we get a palindrome (50121012105).

The spelling of 30001002102 in words is "thirty billion, one million, two thousand, one hundred two".