1203434022440 has 64 divisors (see below), whose sum is σ = 3069487612800. Its totient is φ = 420958294272.

The previous prime is 1203434022397. The next prime is 1203434022449. The reversal of 1203434022440 is 442204343021.

It is a super-2 number, since 2×1203434022440² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203434022449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60892652 + ... + 60912411.

It is an arithmetic number, because the mean of its divisors is an integer number (47960743950).

Almost surely, 2^{1203434022440} is an apocalyptic number.

1203434022440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203434022440 is an abundant number, since it is smaller than the sum of its proper divisors (1866053590360).

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

1203434022440 is a wasteful number, since it uses less digits than its factorization.

1203434022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121805106 (or 121805102 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1203434022440 its reverse (442204343021), we get a palindrome (1645638365461).

The spelling of 1203434022440 in words is "one trillion, two hundred three billion, four hundred thirty-four million, twenty-two thousand, four hundred forty".