1201430515200 has 240 divisors, whose sum is σ = 4009779034800. Its totient is φ = 317077585920.

The previous prime is 1201430515163. The next prime is 1201430515223. The reversal of 1201430515200 is 25150341021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3563526 + ... + 3886074.

It is an arithmetic number, because the mean of its divisors is an integer number (16707412645).

Almost surely, 2^{1201430515200} is an apocalyptic number.

1201430515200 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 1201430515200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2004889517400).

1201430515200 is an abundant number, since it is smaller than the sum of its proper divisors (2808348519600).

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

1201430515200 is an equidigital number, since it uses as much as digits as its factorization.

1201430515200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322677 (or 322656 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 1201430515200 its reverse (25150341021), we get a palindrome (1226580856221).

It can be divided in two parts, 120143051 and 5200, that added together give a triangular number (120148251 = T₁₅₅₀₁).

The spelling of 1201430515200 in words is "one trillion, two hundred one billion, four hundred thirty million, five hundred fifteen thousand, two hundred".