30102002212 has 6 divisors (see below), whose sum is σ = 52678503878. Its totient is φ = 15051001104.

The previous prime is 30102002197. The next prime is 30102002243. The reversal of 30102002212 is 21220020103.

It can be written as a sum of positive squares in only one way, i.e., 29120057316 + 981944896 = 170646^2 + 31336^2 .

It is a super-2 number, since 2×30102002212² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102002192 and 30102002201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762750273 + ... + 3762750280.

Almost surely, 2^30102002212 is an apocalyptic number.

It is an amenable number.

30102002212 is a deficient number, since it is larger than the sum of its proper divisors (22576501666).

30102002212 is a wasteful number, since it uses less digits than its factorization.

30102002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525500557 (or 7525500555 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30102002212 its reverse (21220020103), we get a palindrome (51322022315).

The spelling of 30102002212 in words is "thirty billion, one hundred two million, two thousand, two hundred twelve".