200001212121002 has 16 divisors (see below), whose sum is σ = 301263173769600. Its totient is φ = 99580171192320.

The previous prime is 200001212120981. The next prime is 200001212121089. The reversal of 200001212121002 is 200121212100002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19452074 + ... + 27899562.

It is an arithmetic number, because the mean of its divisors is an integer number (18828948360600).

Almost surely, 2^{200001212121002} is an apocalyptic number.

200001212121002 is a deficient number, since it is larger than the sum of its proper divisors (101261961648598).

200001212121002 is a wasteful number, since it uses less digits than its factorization.

200001212121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497261.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200001212121002 its reverse (200121212100002), we get a palindrome (400122424221004).

The spelling of 200001212121002 in words is "two hundred trillion, one billion, two hundred twelve million, one hundred twenty-one thousand, two".