1220121001196 has 6 divisors (see below), whose sum is σ = 2135211752100. Its totient is φ = 610060500596.

The previous prime is 1220121001193. The next prime is 1220121001213. The reversal of 1220121001196 is 6911001210221.

It is not an unprimeable number, because it can be changed into a prime (1220121001193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152515125146 + ... + 152515125153.

It is an arithmetic number, because the mean of its divisors is an integer number (355868625350).

Almost surely, 2^{1220121001196} is an apocalyptic number.

It is an amenable number.

1220121001196 is a deficient number, since it is larger than the sum of its proper divisors (915090750904).

1220121001196 is a wasteful number, since it uses less digits than its factorization.

1220121001196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305030250303 (or 305030250301 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 1220121001196 in words is "one trillion, two hundred twenty billion, one hundred twenty-one million, one thousand, one hundred ninety-six".