1213534454100 has 36 divisors (see below), whose sum is σ = 3511159688064. Its totient is φ = 323609187680.

The previous prime is 1213534454089. The next prime is 1213534454131. The reversal of 1213534454100 is 14544353121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2022557124 + ... + 2022557723.

Almost surely, 2^{1213534454100} is an apocalyptic number.

1213534454100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213534454100 is an abundant number, since it is smaller than the sum of its proper divisors (2297625233964).

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

1213534454100 is a wasteful number, since it uses less digits than its factorization.

1213534454100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045114864 (or 4045114857 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 1213534454100 in words is "one trillion, two hundred thirteen billion, five hundred thirty-four million, four hundred fifty-four thousand, one hundred".