102012101210 has 8 divisors (see below), whose sum is σ = 183621782196. Its totient is φ = 40804840480.

The previous prime is 102012101137. The next prime is 102012101249. The reversal of 102012101210 is 12101210201.

It can be written as a sum of positive squares in 2 ways, for example, as 85710174169 + 16301927041 = 292763^2 + 127679^2 .

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

It is a super-3 number, since 3×102012101210³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102012101191 and 102012101200.

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, 5100605051 + ... + 5100605070.

Almost surely, 2^102012101210 is an apocalyptic number.

102012101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012101210 is a deficient number, since it is larger than the sum of its proper divisors (81609680986).

102012101210 is a wasteful number, since it uses less digits than its factorization.

102012101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201210128.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102012101210 its reverse (12101210201), we get a palindrome (114113311411).

The spelling of 102012101210 in words is "one hundred two billion, twelve million, one hundred one thousand, two hundred ten".