212201121012 has 48 divisors (see below), whose sum is σ = 511154112000. Its totient is φ = 68445809280.

The previous prime is 212201120959. The next prime is 212201121023. The reversal of 212201121012 is 210121102212.

It is a junction number, because it is equal to n+sod(n) for n = 212201120982 and 212201121000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6019614 + ... + 6054762.

It is an arithmetic number, because the mean of its divisors is an integer number (10649044000).

Almost surely, 2^212201121012 is an apocalyptic number.

It is an amenable number.

212201121012 is an abundant number, since it is smaller than the sum of its proper divisors (298952990988).

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

212201121012 is a wasteful number, since it uses less digits than its factorization.

212201121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51416 (or 51414 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212201121012 its reverse (210121102212), we get a palindrome (422322223224).

The spelling of 212201121012 in words is "two hundred twelve billion, two hundred one million, one hundred twenty-one thousand, twelve".