102011220212 has 48 divisors (see below), whose sum is σ = 207050401152. Its totient is φ = 43515838080.

The previous prime is 102011220161. The next prime is 102011220217. The reversal of 102011220212 is 212022110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011220217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897323 + ... + 1004594.

It is an arithmetic number, because the mean of its divisors is an integer number (4313550024).

Almost surely, 2^102011220212 is an apocalyptic number.

It is an amenable number.

102011220212 is an abundant number, since it is smaller than the sum of its proper divisors (105039180940).

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

102011220212 is a wasteful number, since it uses less digits than its factorization.

102011220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902008 (or 1902006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102011220212 its reverse (212022110201), we get a palindrome (314033330413).

It can be divided in two parts, 102011 and 220212, that added together give a palindrome (322223).

The spelling of 102011220212 in words is "one hundred two billion, eleven million, two hundred twenty thousand, two hundred twelve".