102312221230 has 32 divisors (see below), whose sum is σ = 188862438240. Its totient is φ = 39882554880.

The previous prime is 102312221197. The next prime is 102312221251. The reversal of 102312221230 is 32122213201.

It is a super-2 number, since 2×102312221230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102312221198 and 102312221207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234306 + ... + 509434.

It is an arithmetic number, because the mean of its divisors is an integer number (5901951195).

Almost surely, 2^102312221230 is an apocalyptic number.

102312221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102312221230 is a deficient number, since it is larger than the sum of its proper divisors (86550217010).

102312221230 is a wasteful number, since it uses less digits than its factorization.

102312221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276084.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102312221230 its reverse (32122213201), we get a palindrome (134434434431).

The spelling of 102312221230 in words is "one hundred two billion, three hundred twelve million, two hundred twenty-one thousand, two hundred thirty".