1512202061231 has 4 divisors (see below), whose sum is σ = 1516414323600. Its totient is φ = 1507989798864.

The previous prime is 1512202061189. The next prime is 1512202061263. The reversal of 1512202061231 is 1321602022151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1512202061231 is a prime.

It is a super-2 number, since 2×1512202061231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1512202061231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512202031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106130646 + ... + 2106131363.

It is an arithmetic number, because the mean of its divisors is an integer number (379103580900).

Almost surely, 2^{1512202061231} is an apocalyptic number.

1512202061231 is a deficient number, since it is larger than the sum of its proper divisors (4212262369).

1512202061231 is an equidigital number, since it uses as much as digits as its factorization.

1512202061231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212262368.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1512202061231 its reverse (1321602022151), we get a palindrome (2833804083382).

The spelling of 1512202061231 in words is "one trillion, five hundred twelve billion, two hundred two million, sixty-one thousand, two hundred thirty-one".