1200134024020 has 24 divisors (see below), whose sum is σ = 2668533301224. Its totient is φ = 451815161856.

The previous prime is 1200134024009. The next prime is 1200134024039. The reversal of 1200134024020 is 204204310021.

It can be written as a sum of positive squares in 4 ways, for example, as 483764763024 + 716369260996 = 695532^2 + 846386^2 .

It is a super-2 number, since 2×1200134024020² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764902637 + ... + 1764903316.

It is an arithmetic number, because the mean of its divisors is an integer number (111188887551).

Almost surely, 2^{1200134024020} is an apocalyptic number.

1200134024020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200134024020 is an abundant number, since it is smaller than the sum of its proper divisors (1468399277204).

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

1200134024020 is a wasteful number, since it uses less digits than its factorization.

1200134024020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529805979 (or 3529805977 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1200134024020 its reverse (204204310021), we get a palindrome (1404338334041).

The spelling of 1200134024020 in words is "one trillion, two hundred billion, one hundred thirty-four million, twenty-four thousand, twenty".