1000012203312 has 40 divisors (see below), whose sum is σ = 2583951335280. Its totient is φ = 333261726720.

The previous prime is 1000012203277. The next prime is 1000012203341. The reversal of 1000012203312 is 2133022100001.

1000012203312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1000012203291 and 1000012203300.

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, 2150989 + ... + 2574252.

It is an arithmetic number, because the mean of its divisors is an integer number (64598783382).

Almost surely, 2^{1000012203312} is an apocalyptic number.

1000012203312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000012203312 is an abundant number, since it is smaller than the sum of its proper divisors (1583939131968).

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

1000012203312 is a wasteful number, since it uses less digits than its factorization.

1000012203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729661 (or 4729655 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1000012203312 its reverse (2133022100001), we get a palindrome (3133034303313).

The spelling of 1000012203312 in words is "one trillion, twelve million, two hundred three thousand, three hundred twelve".