200010121002 has 48 divisors (see below), whose sum is σ = 450429950880. Its totient is φ = 64086585696.

The previous prime is 200010120979. The next prime is 200010121007. The reversal of 200010121002 is 200121010002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200010121007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1753852 + ... + 1864407.

It is an arithmetic number, because the mean of its divisors is an integer number (9383957310).

Almost surely, 2^200010121002 is an apocalyptic number.

200010121002 is an abundant number, since it is smaller than the sum of its proper divisors (250419829878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200010121002 is a wasteful number, since it uses less digits than its factorization.

200010121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618387 (or 3618384 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200010121002 its reverse (200121010002), we get a palindrome (400131131004).

The spelling of 200010121002 in words is "two hundred billion, ten million, one hundred twenty-one thousand, two".