1221302414000 has 80 divisors (see below), whose sum is σ = 2953388221056. Its totient is φ = 488474816000.

The previous prime is 1221302413967. The next prime is 1221302414029. The reversal of 1221302414000 is 4142031221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27912140 + ... + 27955860.

Almost surely, 2^{1221302414000} is an apocalyptic number.

1221302414000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1221302414000 is an abundant number, since it is smaller than the sum of its proper divisors (1732085807056).

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

1221302414000 is a wasteful number, since it uses less digits than its factorization.

1221302414000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57711 (or 57695 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1221302414000 its reverse (4142031221), we get a palindrome (1225444445221).

The spelling of 1221302414000 in words is "one trillion, two hundred twenty-one billion, three hundred two million, four hundred fourteen thousand".