1200310311012 has 96 divisors (see below), whose sum is σ = 2925056655360. Its totient is φ = 382649583360.

The previous prime is 1200310311007. The next prime is 1200310311017. The reversal of 1200310311012 is 2101130130021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1200310311007) and next prime (1200310311017).

It is a junction number, because it is equal to n+sod(n) for n = 1200310310982 and 1200310311000.

It is not an unprimeable number, because it can be changed into a prime (1200310311017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73061143 + ... + 73077569.

It is an arithmetic number, because the mean of its divisors is an integer number (30469340160).

Almost surely, 2^{1200310311012} is an apocalyptic number.

1200310311012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200310311012 is an abundant number, since it is smaller than the sum of its proper divisors (1724746344348).

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

1200310311012 is a wasteful number, since it uses less digits than its factorization.

1200310311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18761 (or 18759 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1200310311012 its reverse (2101130130021), we get a palindrome (3301440441033).

The spelling of 1200310311012 in words is "one trillion, two hundred billion, three hundred ten million, three hundred eleven thousand, twelve".