102212131012230 has 128 divisors (see below), whose sum is σ = 251460438501888. Its totient is φ = 26575378163712.

The previous prime is 102212131012223. The next prime is 102212131012237. The reversal of 102212131012230 is 32210131212201.

It is an interprime number because it is at equal distance from previous prime (102212131012223) and next prime (102212131012237).

It is a super-2 number, since 2×102212131012230² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102212131012197 and 102212131012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212131012237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2042869294 + ... + 2042919326.

It is an arithmetic number, because the mean of its divisors is an integer number (1964534675796).

Almost surely, 2^{102212131012230} is an apocalyptic number.

102212131012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102212131012230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125730219250944).

102212131012230 is an abundant number, since it is smaller than the sum of its proper divisors (149248307489658).

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

102212131012230 is a wasteful number, since it uses less digits than its factorization.

102212131012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52870.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102212131012230 its reverse (32210131212201), we get a palindrome (134422262224431).

The spelling of 102212131012230 in words is "one hundred two trillion, two hundred twelve billion, one hundred thirty-one million, twelve thousand, two hundred thirty".