1012212303231 has 16 divisors (see below), whose sum is σ = 1420876396800. Its totient is φ = 639189583488.

The previous prime is 1012212303209. The next prime is 1012212303353. The reversal of 1012212303231 is 1323032122101.

It is not a de Polignac number, because 1012212303231 - 2¹⁴ = 1012212286847 is a prime.

It is a super-2 number, since 2×1012212303231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012212303198 and 1012212303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012212303131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062411 + ... + 1775708.

It is an arithmetic number, because the mean of its divisors is an integer number (88804774800).

Almost surely, 2^{1012212303231} is an apocalyptic number.

1012212303231 is a deficient number, since it is larger than the sum of its proper divisors (408664093569).

1012212303231 is a wasteful number, since it uses less digits than its factorization.

1012212303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844398.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1012212303231 its reverse (1323032122101), we get a palindrome (2335244425332).

The spelling of 1012212303231 in words is "one trillion, twelve billion, two hundred twelve million, three hundred three thousand, two hundred thirty-one".