1122121000212 has 12 divisors (see below), whose sum is σ = 2618282333856. Its totient is φ = 374040333400.

The previous prime is 1122121000211. The next prime is 1122121000241. The reversal of 1122121000212 is 2120001212211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1122121000191 and 1122121000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122121000211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46755041664 + ... + 46755041687.

It is an arithmetic number, because the mean of its divisors is an integer number (218190194488).

Almost surely, 2^{1122121000212} is an apocalyptic number.

1122121000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122121000212 is an abundant number, since it is smaller than the sum of its proper divisors (1496161333644).

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

1122121000212 is a wasteful number, since it uses less digits than its factorization.

1122121000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93510083358 (or 93510083356 counting only the distinct ones).

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

Adding to 1122121000212 its reverse (2120001212211), we get a palindrome (3242122212423).

The spelling of 1122121000212 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twelve", and thus it is an aban number.