1012212120202 has 8 divisors (see below), whose sum is σ = 1518328337796. Its totient is φ = 506102674272.

The previous prime is 1012212120193. The next prime is 1012212120211. The reversal of 1012212120202 is 2020212122101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012212120193) and next prime (1012212120211).

It can be written as a sum of positive squares in 2 ways, for example, as 898345691721 + 113866428481 = 947811^2 + 337441^2 .

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, 1301083 + ... + 1928014.

Almost surely, 2^{1012212120202} is an apocalyptic number.

1012212120202 is a deficient number, since it is larger than the sum of its proper divisors (506116217594).

1012212120202 is a wasteful number, since it uses less digits than its factorization.

1012212120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385832.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012212120202 its reverse (2020212122101), we get a palindrome (3032424242303).

The spelling of 1012212120202 in words is "one trillion, twelve billion, two hundred twelve million, one hundred twenty thousand, two hundred two".