1224635420140 has 48 divisors (see below), whose sum is σ = 2821201850880. Its totient is φ = 442834124480.

The previous prime is 1224635420111. The next prime is 1224635420171. The reversal of 1224635420140 is 410245364221.

It is a super-2 number, since 2×1224635420140² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1224635420096 and 1224635420105.

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, 15509572 + ... + 15588331.

It is an arithmetic number, because the mean of its divisors is an integer number (58775038560).

Almost surely, 2^{1224635420140} is an apocalyptic number.

1224635420140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224635420140 is an abundant number, since it is smaller than the sum of its proper divisors (1596566430740).

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

1224635420140 is a wasteful number, since it uses less digits than its factorization.

1224635420140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31098102 (or 31098100 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 1224635420140 in words is "one trillion, two hundred twenty-four billion, six hundred thirty-five million, four hundred twenty thousand, one hundred forty".