1012231140122 has 4 divisors (see below), whose sum is σ = 1518346710186. Its totient is φ = 506115570060.

The previous prime is 1012231140079. The next prime is 1012231140127. The reversal of 1012231140122 is 2210411322101.

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

It can be written as a sum of positive squares in only one way, i.e., 923676688561 + 88554451561 = 961081^2 + 297581^2 .

It is a super-2 number, since 2×1012231140122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012231140094 and 1012231140103.

It is not an unprimeable number, because it can be changed into a prime (1012231140127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253057785029 + ... + 253057785032.

Almost surely, 2^{1012231140122} is an apocalyptic number.

1012231140122 is a deficient number, since it is larger than the sum of its proper divisors (506115570064).

1012231140122 is an equidigital number, since it uses as much as digits as its factorization.

1012231140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506115570063.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1012231140122 its reverse (2210411322101), we get a palindrome (3222642462223).

The spelling of 1012231140122 in words is "one trillion, twelve billion, two hundred thirty-one million, one hundred forty thousand, one hundred twenty-two".