1202200400 has 60 divisors (see below), whose sum is σ = 2929035744. Its totient is φ = 474096000.

The previous prime is 1202200397. The next prime is 1202200403. The reversal of 1202200400 is 40022021.

It is an interprime number because it is at equal distance from previous prime (1202200397) and next prime (1202200403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202200403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7235 + ... + 49565.

Almost surely, 2^1202200400 is an apocalyptic number.

1202200400 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 1202200400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464517872).

1202200400 is an abundant number, since it is smaller than the sum of its proper divisors (1726835344).

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

1202200400 is a wasteful number, since it uses less digits than its factorization.

1202200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42420 (or 42409 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1202200400 is about 34672.7616436880. The cubic root of 1202200400 is about 1063.3076931173.

Adding to 1202200400 its reverse (40022021), we get a palindrome (1242222421).

The spelling of 1202200400 in words is "one billion, two hundred two million, two hundred thousand, four hundred".