210120012120202 has 8 divisors (see below), whose sum is σ = 315188873399556. Its totient is φ = 105057054320352.

The previous prime is 210120012120049. The next prime is 210120012120209. The reversal of 210120012120202 is 202021210021012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 209690411837481 + 429600282721 = 14480691^2 + 655439^2 .

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

It is not an unprimeable number, because it can be changed into a prime (210120012120209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475780893 + ... + 1475923264.

Almost surely, 2^{210120012120202} is an apocalyptic number.

210120012120202 is a deficient number, since it is larger than the sum of its proper divisors (105068861279354).

210120012120202 is a wasteful number, since it uses less digits than its factorization.

210120012120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951739752.

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

Adding to 210120012120202 its reverse (202021210021012), we get a palindrome (412141222141214).

The spelling of 210120012120202 in words is "two hundred ten trillion, one hundred twenty billion, twelve million, one hundred twenty thousand, two hundred two".