102012211202202 has 160 divisors (see below), whose sum is σ = 261766842408192. Its totient is φ = 29087353622016.

The previous prime is 102012211202197. The next prime is 102012211202207. The reversal of 102012211202202 is 202202112210201.

It is a happy number.

102012211202202 is a `hidden beast` number, since 1 + 0 + 201 + 221 + 1 + 20 + 220 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (102012211202197) and next prime (102012211202207).

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

It is not an unprimeable number, because it can be changed into a prime (102012211202207) 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, 1282535778 + ... + 1282615314.

Almost surely, 2^{102012211202202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102012211202202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130883421204096).

102012211202202 is an abundant number, since it is smaller than the sum of its proper divisors (159754631205990).

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

102012211202202 is a wasteful number, since it uses less digits than its factorization.

102012211202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81834 (or 81825 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102012211202202 its reverse (202202112210201), we get a palindrome (304214323412403).

The spelling of 102012211202202 in words is "one hundred two trillion, twelve billion, two hundred eleven million, two hundred two thousand, two hundred two".