30102203012 has 24 divisors (see below), whose sum is σ = 60289360320. Its totient is φ = 12882739680.

The previous prime is 30102203011. The next prime is 30102203023. The reversal of 30102203012 is 21030220103.

It is a happy number.

It is a super-2 number, since 2×30102203012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (30102203011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738314 + ... + 778017.

It is an arithmetic number, because the mean of its divisors is an integer number (2512056680).

Almost surely, 2^30102203012 is an apocalyptic number.

It is an amenable number.

30102203012 is an abundant number, since it is smaller than the sum of its proper divisors (30187157308).

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

30102203012 is a wasteful number, since it uses less digits than its factorization.

30102203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517051 (or 1517049 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30102203012 its reverse (21030220103), we get a palindrome (51132423115).

It can be divided in two parts, 3010 and 2203012, that added together give a palindrome (2206022).

The spelling of 30102203012 in words is "thirty billion, one hundred two million, two hundred three thousand, twelve".