1111012312302 has 48 divisors (see below), whose sum is σ = 2410262889840. Its totient is φ = 369865440000.

The previous prime is 1111012312297. The next prime is 1111012312307. The reversal of 1111012312302 is 2032132101111.

It is an interprime number because it is at equal distance from previous prime (1111012312297) and next prime (1111012312307).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111012312307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73564552 + ... + 73579652.

It is an arithmetic number, because the mean of its divisors is an integer number (50213810205).

Almost surely, 2^{1111012312302} is an apocalyptic number.

1111012312302 is an abundant number, since it is smaller than the sum of its proper divisors (1299250577538).

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

1111012312302 is a wasteful number, since it uses less digits than its factorization.

1111012312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20049 (or 20046 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1111012312302 its reverse (2032132101111), we get a palindrome (3143144413413).

The spelling of 1111012312302 in words is "one trillion, one hundred eleven billion, twelve million, three hundred twelve thousand, three hundred two".