1214021020800 has 1152 divisors, whose sum is σ = 5017281998400. Its totient is φ = 256396492800.

The previous prime is 1214021020799. The next prime is 1214021020811. The reversal of 1214021020800 is 80201204121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 366439944 + ... + 366443256.

Almost surely, 2^{1214021020800} is an apocalyptic number.

1214021020800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214021020800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2508640999200).

1214021020800 is an abundant number, since it is smaller than the sum of its proper divisors (3803260977600).

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

1214021020800 is a wasteful number, since it uses less digits than its factorization.

1214021020800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1214021020800 its reverse (80201204121), we get a palindrome (1294222224921).

The spelling of 1214021020800 in words is "one trillion, two hundred fourteen billion, twenty-one million, twenty thousand, eight hundred".