212101272101212 has 96 divisors (see below), whose sum is σ = 411404974041600. Its totient is φ = 95060286381312.

The previous prime is 212101272101197. The next prime is 212101272101231.

It is a happy number.

212101272101212 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1807843489 + ... + 1807960807.

It is an arithmetic number, because the mean of its divisors is an integer number (4285468479600).

Almost surely, 2^{212101272101212} is an apocalyptic number.

It is an amenable number.

212101272101212 is a deficient number, since it is larger than the sum of its proper divisors (199303701940388).

212101272101212 is a wasteful number, since it uses less digits than its factorization.

212101272101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122075 (or 122073 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 25.

The spelling of 212101272101212 in words is "two hundred twelve trillion, one hundred one billion, two hundred seventy-two million, one hundred one thousand, two hundred twelve".