30102212002 has 4 divisors (see below), whose sum is σ = 45153318006. Its totient is φ = 15051106000.

The previous prime is 30102211991. The next prime is 30102212017. The reversal of 30102212002 is 20021220103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29446903201 + 655308801 = 171601^2 + 25599^2 .

It is a super-2 number, since 2×30102212002² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525552999 + ... + 7525553002.

Almost surely, 2^30102212002 is an apocalyptic number.

30102212002 is a deficient number, since it is larger than the sum of its proper divisors (15051106004).

30102212002 is a wasteful number, since it uses less digits than its factorization.

30102212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15051106003.

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

Adding to 30102212002 its reverse (20021220103), we get a palindrome (50123432105).

The spelling of 30102212002 in words is "thirty billion, one hundred two million, two hundred twelve thousand, two".