121022001333212 has 96 divisors (see below), whose sum is σ = 250123517952000. Its totient is φ = 50160716061120.

The previous prime is 121022001333199. The next prime is 121022001333271. The reversal of 121022001333212 is 212333100220121.

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, 75508037 + ... + 77094147.

It is an arithmetic number, because the mean of its divisors is an integer number (2605453312000).

Almost surely, 2^{121022001333212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121022001333212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125061758976000).

121022001333212 is an abundant number, since it is smaller than the sum of its proper divisors (129101516618788).

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

121022001333212 is a wasteful number, since it uses less digits than its factorization.

121022001333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586791 (or 1586789 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121022001333212 its reverse (212333100220121), we get a palindrome (333355101553333).

The spelling of 121022001333212 in words is "one hundred twenty-one trillion, twenty-two billion, one million, three hundred thirty-three thousand, two hundred twelve".