1201223432000 has 56 divisors (see below), whose sum is σ = 2974829849160. Its totient is φ = 480489369600.

The previous prime is 1201223431999. The next prime is 1201223432023. The reversal of 1201223432000 is 2343221021.

It can be written as a sum of positive squares in 4 ways, for example, as 1076889856 + 1200146542144 = 32816^2 + 1095512^2 .

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 7 ways as a sum of consecutive naturals, for example, 75068465 + ... + 75084464.

Almost surely, 2^{1201223432000} is an apocalyptic number.

1201223432000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201223432000 is an abundant number, since it is smaller than the sum of its proper divisors (1773606417160).

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

1201223432000 is an equidigital number, since it uses as much as digits as its factorization.

1201223432000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150152956 (or 150152936 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1201223432000 its reverse (2343221021), we get a palindrome (1203566653021).

The spelling of 1201223432000 in words is "one trillion, two hundred one billion, two hundred twenty-three million, four hundred thirty-two thousand".