10011211001212 has 6 divisors (see below), whose sum is σ = 17519619252128. Its totient is φ = 5005605500604.

The previous prime is 10011211001149. The next prime is 10011211001227. The reversal of 10011211001212 is 21210011211001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10011211001192 and 10011211001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251401375148 + ... + 1251401375155.

Almost surely, 2^{10011211001212} is an apocalyptic number.

It is an amenable number.

10011211001212 is a deficient number, since it is larger than the sum of its proper divisors (7508408250916).

10011211001212 is a wasteful number, since it uses less digits than its factorization.

10011211001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502802750307 (or 2502802750305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10011211001212 its reverse (21210011211001), we get a palindrome (31221222212213).

It can be divided in two parts, 10011211001 and 212, that multiplied together give a palindrome (2122376732212).

The spelling of 10011211001212 in words is "ten trillion, eleven billion, two hundred eleven million, one thousand, two hundred twelve".