12021210201212 has 96 divisors (see below), whose sum is σ = 23862918300480. Its totient is φ = 5264454021120.

The previous prime is 12021210201199. The next prime is 12021210201241. The reversal of 12021210201212 is 21210201212021.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 59559938 + ... + 59761430.

It is an arithmetic number, because the mean of its divisors is an integer number (248572065630).

Almost surely, 2^{12021210201212} is an apocalyptic number.

It is an amenable number.

12021210201212 is a deficient number, since it is larger than the sum of its proper divisors (11841708099268).

12021210201212 is a wasteful number, since it uses less digits than its factorization.

12021210201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202351 (or 202349 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12021210201212 its reverse (21210201212021), we get a palindrome (33231411413233).

The spelling of 12021210201212 in words is "twelve trillion, twenty-one billion, two hundred ten million, two hundred one thousand, two hundred twelve".