200000021012 has 48 divisors (see below), whose sum is σ = 390141480960. Its totient is φ = 88929352800.

The previous prime is 200000021003. The next prime is 200000021017. The reversal of 200000021012 is 210120000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000021017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4192937 + ... + 4240367.

It is an arithmetic number, because the mean of its divisors is an integer number (8127947520).

Almost surely, 2^200000021012 is an apocalyptic number.

200000021012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200000021012 is a deficient number, since it is larger than the sum of its proper divisors (190141459948).

200000021012 is a wasteful number, since it uses less digits than its factorization.

200000021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49532 (or 49530 counting only the distinct ones).

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

Adding to 200000021012 its reverse (210120000002), we get a palindrome (410120021014).

The spelling of 200000021012 in words is "two hundred billion, twenty-one thousand, twelve".