2102010212 has 6 divisors (see below), whose sum is σ = 3678517878. Its totient is φ = 1051005104.

The previous prime is 2102010193. The next prime is 2102010221. The reversal of 2102010212 is 2120102012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1912837696 + 189172516 = 43736^2 + 13754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102010193 and 2102010202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262751273 + ... + 262751280.

It is an arithmetic number, because the mean of its divisors is an integer number (613086313).

Almost surely, 2^2102010212 is an apocalyptic number.

It is an amenable number.

2102010212 is a deficient number, since it is larger than the sum of its proper divisors (1576507666).

2102010212 is a wasteful number, since it uses less digits than its factorization.

2102010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525502557 (or 525502555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2102010212 is about 45847.6849142898. The cubic root of 2102010212 is about 1280.9876435035.

Adding to 2102010212 its reverse (2120102012), we get a palindrome (4222112224).

The spelling of 2102010212 in words is "two billion, one hundred two million, ten thousand, two hundred twelve".