102012220034 has 4 divisors (see below), whose sum is σ = 153018330054. Its totient is φ = 51006110016.

The previous prime is 102012219977. The next prime is 102012220099. The reversal of 102012220034 is 430022210201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430022210201 = 3691 ⋅116505611.

It can be written as a sum of positive squares in only one way, i.e., 68249995009 + 33762225025 = 261247^2 + 183745^2 .

It is a super-3 number, since 3×102012220034³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 102012219994 and 102012220021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25503055007 + ... + 25503055010.

Almost surely, 2^102012220034 is an apocalyptic number.

102012220034 is a deficient number, since it is larger than the sum of its proper divisors (51006110020).

102012220034 is an equidigital number, since it uses as much as digits as its factorization.

102012220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51006110019.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102012220034 its reverse (430022210201), we get a palindrome (532034430235).

The spelling of 102012220034 in words is "one hundred two billion, twelve million, two hundred twenty thousand, thirty-four".