1200231102012 has 48 divisors (see below), whose sum is σ = 2812103390880. Its totient is φ = 398426963968.

The previous prime is 1200231101963. The next prime is 1200231102023. The reversal of 1200231102012 is 2102011320021.

It is a junction number, because it is equal to n+sod(n) for n = 1200231101982 and 1200231102000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4832908 + ... + 5075180.

It is an arithmetic number, because the mean of its divisors is an integer number (58585487310).

Almost surely, 2^{1200231102012} is an apocalyptic number.

1200231102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200231102012 is an abundant number, since it is smaller than the sum of its proper divisors (1611872288868).

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

1200231102012 is a wasteful number, since it uses less digits than its factorization.

1200231102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243982 (or 243980 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1200231102012 its reverse (2102011320021), we get a palindrome (3302242422033).

The spelling of 1200231102012 in words is "one trillion, two hundred billion, two hundred thirty-one million, one hundred two thousand, twelve".