1231200230041 has 16 divisors (see below), whose sum is σ = 1284977992464. Its totient is φ = 1178656303104.

The previous prime is 1231200230003. The next prime is 1231200230083. The reversal of 1231200230041 is 1400320021321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 87840511641 + 1143359718400 = 296379^2 + 1069280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231200230041 - 2¹⁵ = 1231200197273 is a prime.

It is a super-2 number, since 2×1231200230041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231200230341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501930 + ... + 1647523.

It is an arithmetic number, because the mean of its divisors is an integer number (80311124529).

Almost surely, 2^{1231200230041} is an apocalyptic number.

It is an amenable number.

1231200230041 is a deficient number, since it is larger than the sum of its proper divisors (53777762423).

1231200230041 is a wasteful number, since it uses less digits than its factorization.

1231200230041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149740.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1231200230041 its reverse (1400320021321), we get a palindrome (2631520251362).

The spelling of 1231200230041 in words is "one trillion, two hundred thirty-one billion, two hundred million, two hundred thirty thousand, forty-one".