12021210101012 has 36 divisors (see below), whose sum is σ = 24472102352544. Its totient is φ = 5151872824560.

The previous prime is 12021210100981. The next prime is 12021210101053. The reversal of 12021210101012 is 21010101212021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14445587 + ... + 15255077.

It is an arithmetic number, because the mean of its divisors is an integer number (679780620904).

Almost surely, 2^{12021210101012} is an apocalyptic number.

It is an amenable number.

12021210101012 is an abundant number, since it is smaller than the sum of its proper divisors (12450892251532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021210101012 is a wasteful number, since it uses less digits than its factorization.

12021210101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885276 (or 885267 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021210101012 its reverse (21010101212021), we get a palindrome (33031311313033).

It can be divided in two parts, 12021 and 210101012, that multiplied together give a palindrome (2525624265252).

The spelling of 12021210101012 in words is "twelve trillion, twenty-one billion, two hundred ten million, one hundred one thousand, twelve".