1202144110400 has 84 divisors (see below), whose sum is σ = 2970943900620. Its totient is φ = 478757683200.

The previous prime is 1202144110399. The next prime is 1202144110441. The reversal of 1202144110400 is 40114412021.

It can be written as a sum of positive squares in 6 ways, for example, as 6305630464 + 1195838479936 = 79408^2 + 1093544^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1274081 + ... + 2006880.

Almost surely, 2^{1202144110400} is an apocalyptic number.

1202144110400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202144110400 is an abundant number, since it is smaller than the sum of its proper divisors (1768799790220).

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

1202144110400 is a wasteful number, since it uses less digits than its factorization.

1202144110400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281212 (or 3281197 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1202144110400 its reverse (40114412021), we get a palindrome (1242258522421).

The spelling of 1202144110400 in words is "one trillion, two hundred two billion, one hundred forty-four million, one hundred ten thousand, four hundred".