202120012212002 has 8 divisors (see below), whose sum is σ = 303691283106156. Its totient is φ = 100889584509952.

The previous prime is 202120012211989. The next prime is 202120012212103. The reversal of 202120012212002 is 200212210021202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201912476387281 + 207535824721 = 14209591^2 + 455561^2 .

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

It is a super-2 number, since 2×202120012212002² (a number of 29 digits) contains 22 as substring.

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, 85210796543 + ... + 85210798914.

Almost surely, 2^{202120012212002} is an apocalyptic number.

202120012212002 is a deficient number, since it is larger than the sum of its proper divisors (101571270894154).

202120012212002 is a wasteful number, since it uses less digits than its factorization.

202120012212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170421596052.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202120012212002 its reverse (200212210021202), we get a palindrome (402332222233204).

The spelling of 202120012212002 in words is "two hundred two trillion, one hundred twenty billion, twelve million, two hundred twelve thousand, two".