2012210102194 has 4 divisors (see below), whose sum is σ = 3018315153294. Its totient is φ = 1006105051096.

The previous prime is 2012210102173. The next prime is 2012210102209. The reversal of 2012210102194 is 4912010122102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2009859113025 + 2350989169 = 1417695^2 + 48487^2 .

It is a super-2 number, since 2×2012210102194² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503052525547 + ... + 503052525550.

Almost surely, 2^{2012210102194} is an apocalyptic number.

2012210102194 is a deficient number, since it is larger than the sum of its proper divisors (1006105051100).

2012210102194 is a wasteful number, since it uses less digits than its factorization.

2012210102194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006105051099.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 2012210102194 its reverse (4912010122102), we get a palindrome (6924220224296).

The spelling of 2012210102194 in words is "two trillion, twelve billion, two hundred ten million, one hundred two thousand, one hundred ninety-four".