102212122210000 has 400 divisors, whose sum is σ = 273431560742208. Its totient is φ = 36692608000000.

The previous prime is 102212122209943. The next prime is 102212122210007. The reversal of 102212122210000 is 12221212201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212122210007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3855156744 + ... + 3855183256.

Almost surely, 2^{102212122210000} is an apocalyptic number.

102212122210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102212122210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136715780371104).

102212122210000 is an abundant number, since it is smaller than the sum of its proper divisors (171219438532208).

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

102212122210000 is a wasteful number, since it uses less digits than its factorization.

102212122210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27000 (or 26979 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102212122210000 its reverse (12221212201), we get a palindrome (102224343422201).

The spelling of 102212122210000 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand".