30102010212 has 12 divisors (see below), whose sum is σ = 70238023856. Its totient is φ = 10034003400.

The previous prime is 30102010171. The next prime is 30102010243. The reversal of 30102010212 is 21201020103.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×30102010212² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 2508500851 = 30102010212 / (3 + 0 + 1 + 0 + 2 + 0 + 1 + 0 + 2 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254250414 + ... + 1254250437.

Almost surely, 2^30102010212 is an apocalyptic number.

It is an amenable number.

30102010212 is an abundant number, since it is smaller than the sum of its proper divisors (40136013644).

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

30102010212 is a wasteful number, since it uses less digits than its factorization.

30102010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508500858 (or 2508500856 counting only the distinct ones).

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

Adding to 30102010212 its reverse (21201020103), we get a palindrome (51303030315).

The spelling of 30102010212 in words is "thirty billion, one hundred two million, ten thousand, two hundred twelve".