1203122012 has 12 divisors (see below), whose sum is σ = 2110467576. Its totient is φ = 600131280.

The previous prime is 1203122003. The next prime is 1203122117. The reversal of 1203122012 is 2102213021.

It is a happy number.

It is a congruent number.

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, 355538 + ... + 358905.

It is an arithmetic number, because the mean of its divisors is an integer number (175872298).

Almost surely, 2^1203122012 is an apocalyptic number.

It is an amenable number.

1203122012 is a deficient number, since it is larger than the sum of its proper divisors (907345564).

1203122012 is a wasteful number, since it uses less digits than its factorization.

1203122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714868 (or 714866 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1203122012 is about 34686.0492417341. The cubic root of 1203122012 is about 1063.5793357994.

Adding to 1203122012 its reverse (2102213021), we get a palindrome (3305335033).

It can be divided in two parts, 12031 and 22012, that added together give a palindrome (34043).

The spelling of 1203122012 in words is "one billion, two hundred three million, one hundred twenty-two thousand, twelve".