1212110121196 has 48 divisors (see below), whose sum is σ = 2383861019904. Its totient is φ = 535071848256.

The previous prime is 1212110121193. The next prime is 1212110121197. The reversal of 1212110121196 is 6911210112121.

It is not an unprimeable number, because it can be changed into a prime (1212110121191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20430351 + ... + 20489593.

It is an arithmetic number, because the mean of its divisors is an integer number (49663771248).

Almost surely, 2^{1212110121196} is an apocalyptic number.

It is an amenable number.

1212110121196 is a deficient number, since it is larger than the sum of its proper divisors (1171750898708).

1212110121196 is a wasteful number, since it uses less digits than its factorization.

1212110121196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76390 (or 76388 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 28.

The spelling of 1212110121196 in words is "one trillion, two hundred twelve billion, one hundred ten million, one hundred twenty-one thousand, one hundred ninety-six".