10000021001212 has 24 divisors (see below), whose sum is σ = 19091454625152. Its totient is φ = 4545343748400.

The previous prime is 10000021001183. The next prime is 10000021001233. The reversal of 10000021001212 is 21210012000001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317088 + ... + 4662055.

It is an arithmetic number, because the mean of its divisors is an integer number (795477276048).

Almost surely, 2^{10000021001212} is an apocalyptic number.

It is an amenable number.

10000021001212 is a deficient number, since it is larger than the sum of its proper divisors (9091433623940).

10000021001212 is a wasteful number, since it uses less digits than its factorization.

10000021001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017169 (or 6017167 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10000021001212 its reverse (21210012000001), we get a palindrome (31210033001213).

The spelling of 10000021001212 in words is "ten trillion, twenty-one million, one thousand, two hundred twelve".