1230202012 has 24 divisors (see below), whose sum is σ = 2419262496. Its totient is φ = 543098688.

The previous prime is 1230202009. The next prime is 1230202031. The reversal of 1230202012 is 2102020321.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1230201983 and 1230202001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513103 + ... + 515494.

It is an arithmetic number, because the mean of its divisors is an integer number (100802604).

Almost surely, 2^1230202012 is an apocalyptic number.

It is an amenable number.

1230202012 is a deficient number, since it is larger than the sum of its proper divisors (1189060484).

1230202012 is a wasteful number, since it uses less digits than its factorization.

1230202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028637 (or 1028635 counting only the distinct ones).

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

The square root of 1230202012 is about 35074.2357293783. The cubic root of 1230202012 is about 1071.4999233887.

Adding to 1230202012 its reverse (2102020321), we get a palindrome (3332222333).

The spelling of 1230202012 in words is "one billion, two hundred thirty million, two hundred two thousand, twelve".