10121212001211 has 16 divisors (see below), whose sum is σ = 13860222539808. Its totient is φ = 6564852403200.

The previous prime is 10121212001167. The next prime is 10121212001279. The reversal of 10121212001211 is 11210021212101.

It is a happy number.

It is not a de Polignac number, because 10121212001211 - 2¹³ = 10121211993019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121212001311) 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, 1064491 + ... + 4623371.

It is an arithmetic number, because the mean of its divisors is an integer number (866263908738).

Almost surely, 2^{10121212001211} is an apocalyptic number.

10121212001211 is a deficient number, since it is larger than the sum of its proper divisors (3739010538597).

10121212001211 is a wasteful number, since it uses less digits than its factorization.

10121212001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584542.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10121212001211 its reverse (11210021212101), we get a palindrome (21331233213312).

The spelling of 10121212001211 in words is "ten trillion, one hundred twenty-one billion, two hundred twelve million, one thousand, two hundred eleven".