1214105505420 has 96 divisors (see below), whose sum is σ = 3411409478400. Its totient is φ = 322627325184.

The previous prime is 1214105505391. The next prime is 1214105505451. The reversal of 1214105505420 is 245055014121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144205971 + ... + 144214389.

It is an arithmetic number, because the mean of its divisors is an integer number (35535515400).

Almost surely, 2^{1214105505420} is an apocalyptic number.

1214105505420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214105505420 is an abundant number, since it is smaller than the sum of its proper divisors (2197303972980).

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

1214105505420 is a wasteful number, since it uses less digits than its factorization.

1214105505420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16567 (or 16565 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 1214105505420 in words is "one trillion, two hundred fourteen billion, one hundred five million, five hundred five thousand, four hundred twenty".