102012221210 has 8 divisors (see below), whose sum is σ = 183621998196. Its totient is φ = 40804888480.

The previous prime is 102012221197. The next prime is 102012221231. The reversal of 102012221210 is 12122210201.

It can be written as a sum of positive squares in 2 ways, for example, as 100228594921 + 1783626289 = 316589^2 + 42233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100611051 + ... + 5100611070.

Almost surely, 2^102012221210 is an apocalyptic number.

102012221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012221210 is a deficient number, since it is larger than the sum of its proper divisors (81609776986).

102012221210 is a wasteful number, since it uses less digits than its factorization.

102012221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201222128.

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

Adding to 102012221210 its reverse (12122210201), we get a palindrome (114134431411).

The spelling of 102012221210 in words is "one hundred two billion, twelve million, two hundred twenty-one thousand, two hundred ten".