10211001221212 has 12 divisors (see below), whose sum is σ = 19493729604216. Its totient is φ = 4641364191440.

The previous prime is 10211001221209. The next prime is 10211001221249. The reversal of 10211001221212 is 21212210011201.

It is a congruent number.

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, 116034104743 + ... + 116034104830.

It is an arithmetic number, because the mean of its divisors is an integer number (1624477467018).

Almost surely, 2^{10211001221212} is an apocalyptic number.

It is an amenable number.

10211001221212 is a deficient number, since it is larger than the sum of its proper divisors (9282728383004).

10211001221212 is a wasteful number, since it uses less digits than its factorization.

10211001221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232068209588 (or 232068209586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211001221212 its reverse (21212210011201), we get a palindrome (31423211232413).

The spelling of 10211001221212 in words is "ten trillion, two hundred eleven billion, one million, two hundred twenty-one thousand, two hundred twelve".