1244103402012 has 24 divisors (see below), whose sum is σ = 2902947121536. Its totient is φ = 414695536368.

The previous prime is 1244103401963. The next prime is 1244103402023. The reversal of 1244103402012 is 2102043014421.

It is a congruent number.

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, 281383 + ... + 1602305.

It is an arithmetic number, because the mean of its divisors is an integer number (120956130064).

Almost surely, 2^{1244103402012} is an apocalyptic number.

1244103402012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244103402012 is an abundant number, since it is smaller than the sum of its proper divisors (1658843719524).

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

1244103402012 is a wasteful number, since it uses less digits than its factorization.

1244103402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399417 (or 1399415 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1244103402012 its reverse (2102043014421), we get a palindrome (3346146416433).

The spelling of 1244103402012 in words is "one trillion, two hundred forty-four billion, one hundred three million, four hundred two thousand, twelve".