1201312144230 has 128 divisors (see below), whose sum is σ = 3231619877376. Its totient is φ = 283236940800.

The previous prime is 1201312144187. The next prime is 1201312144231. The reversal of 1201312144230 is 324412131021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201312144230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201312144231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30884074 + ... + 30922946.

It is an arithmetic number, because the mean of its divisors is an integer number (25247030292).

Almost surely, 2^{1201312144230} is an apocalyptic number.

1201312144230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201312144230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615809938688).

1201312144230 is an abundant number, since it is smaller than the sum of its proper divisors (2030307733146).

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

1201312144230 is a wasteful number, since it uses less digits than its factorization.

1201312144230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41462.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1201312144230 its reverse (324412131021), we get a palindrome (1525724275251).

The spelling of 1201312144230 in words is "one trillion, two hundred one billion, three hundred twelve million, one hundred forty-four thousand, two hundred thirty".