1213031434004 has 48 divisors (see below), whose sum is σ = 2295623030400. Its totient is φ = 557530183296.

The previous prime is 1213031434001. The next prime is 1213031434049. The reversal of 1213031434004 is 4004341303121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213031434001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27042707 + ... + 27087525.

It is an arithmetic number, because the mean of its divisors is an integer number (47825479800).

Almost surely, 2^{1213031434004} is an apocalyptic number.

It is an amenable number.

1213031434004 is a deficient number, since it is larger than the sum of its proper divisors (1082591596396).

1213031434004 is a wasteful number, since it uses less digits than its factorization.

1213031434004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46992 (or 46990 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1213031434004 its reverse (4004341303121), we get a palindrome (5217372737125).

The spelling of 1213031434004 in words is "one trillion, two hundred thirteen billion, thirty-one million, four hundred thirty-four thousand, four".