1201003512 has 48 divisors (see below), whose sum is σ = 3138761640. Its totient is φ = 382924608.

The previous prime is 1201003511. The next prime is 1201003537. The reversal of 1201003512 is 2153001021.

It is a junction number, because it is equal to n+sod(n) for n = 1201003491 and 1201003500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201003511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34603 + ... + 59994.

Almost surely, 2^1201003512 is an apocalyptic number.

1201003512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201003512 is an abundant number, since it is smaller than the sum of its proper divisors (1937758128).

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

1201003512 is a wasteful number, since it uses less digits than its factorization.

1201003512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94652 (or 94625 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1201003512 is about 34655.4975725353. The cubic root of 1201003512 is about 1062.9547062671.

Adding to 1201003512 its reverse (2153001021), we get a palindrome (3354004533).

The spelling of 1201003512 in words is "one billion, two hundred one million, three thousand, five hundred twelve".