1224213136140 has 96 divisors (see below), whose sum is σ = 3665367163584. Its totient is φ = 304211353600.

The previous prime is 1224213136079. The next prime is 1224213136183. The reversal of 1224213136140 is 416313124221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1224213136098 and 1224213136107.

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, 5838609 + ... + 6044648.

It is an arithmetic number, because the mean of its divisors is an integer number (38180907954).

Almost surely, 2^{1224213136140} is an apocalyptic number.

1224213136140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224213136140 is an abundant number, since it is smaller than the sum of its proper divisors (2441154027444).

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

1224213136140 is a wasteful number, since it uses less digits than its factorization.

1224213136140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883387 (or 11883385 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 1224213136140 in words is "one trillion, two hundred twenty-four billion, two hundred thirteen million, one hundred thirty-six thousand, one hundred forty".