30000203012 has 12 divisors (see below), whose sum is σ = 56538844236. Its totient is φ = 13846247520.

The previous prime is 30000202993. The next prime is 30000203047. The reversal of 30000203012 is 21030200003.

It can be written as a sum of positive squares in 2 ways, for example, as 9441231556 + 20558971456 = 97166^2 + 143384^2 .

It is a super-2 number, since 2×30000203012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30000202984 and 30000203002.

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, 288463439 + ... + 288463542.

It is an arithmetic number, because the mean of its divisors is an integer number (4711570353).

Almost surely, 2^30000203012 is an apocalyptic number.

It is an amenable number.

30000203012 is a deficient number, since it is larger than the sum of its proper divisors (26538641224).

30000203012 is a wasteful number, since it uses less digits than its factorization.

30000203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576926998 (or 576926996 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 30000203012 its reverse (21030200003), we get a palindrome (51030403015).

The spelling of 30000203012 in words is "thirty billion, two hundred three thousand, twelve".