1213552414004 has 36 divisors (see below), whose sum is σ = 2537214811236. Its totient is φ = 506037297024.

The previous prime is 1213552413973. The next prime is 1213552414049. The reversal of 1213552414004 is 4004142553121.

It can be written as a sum of positive squares in 2 ways, for example, as 460565822500 + 752986591504 = 678650^2 + 867748^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83662937 + ... + 83677440.

It is an arithmetic number, because the mean of its divisors is an integer number (70478189201).

Almost surely, 2^{1213552414004} is an apocalyptic number.

1213552414004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1213552414004 is an abundant number, since it is smaller than the sum of its proper divisors (1323662397232).

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

1213552414004 is a wasteful number, since it uses less digits than its factorization.

1213552414004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167340432 (or 167340423 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1213552414004 its reverse (4004142553121), we get a palindrome (5217694967125).

The spelling of 1213552414004 in words is "one trillion, two hundred thirteen billion, five hundred fifty-two million, four hundred fourteen thousand, four".