1213404554054 has 48 divisors (see below), whose sum is σ = 2310384720960. Its totient is φ = 472624281360.

The previous prime is 1213404554053. The next prime is 1213404554057. The reversal of 1213404554054 is 4504554043121.

It is a super-2 number, since 2×1213404554054² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213404553999 and 1213404554017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213404554053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3790589 + ... + 4098215.

It is an arithmetic number, because the mean of its divisors is an integer number (48133015020).

Almost surely, 2^{1213404554054} is an apocalyptic number.

1213404554054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1213404554054 is a deficient number, since it is larger than the sum of its proper divisors (1096980166906).

1213404554054 is a wasteful number, since it uses less digits than its factorization.

1213404554054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311313 (or 311306 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 1213404554054 its reverse (4504554043121), we get a palindrome (5717958597175).

The spelling of 1213404554054 in words is "one trillion, two hundred thirteen billion, four hundred four million, five hundred fifty-four thousand, fifty-four".