102303222012 has 36 divisors (see below), whose sum is σ = 258628185816. Its totient is φ = 34097332320.

The previous prime is 102303222011. The next prime is 102303222041. The reversal of 102303222012 is 210222303201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×102303222012² (a number of 23 digits) contains 22 as substring.

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 (102303222011) 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 11 ways as a sum of consecutive naturals, for example, 187087 + ... + 489497.

Almost surely, 2^102303222012 is an apocalyptic number.

102303222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102303222012 is an abundant number, since it is smaller than the sum of its proper divisors (156324963804).

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

102303222012 is a wasteful number, since it uses less digits than its factorization.

102303222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311818 (or 311813 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 102303222012 its reverse (210222303201), we get a palindrome (312525525213).

The spelling of 102303222012 in words is "one hundred two billion, three hundred three million, two hundred twenty-two thousand, twelve".