1221212002094 has 16 divisors (see below), whose sum is σ = 2093648547168. Its totient is φ = 523341007872.

The previous prime is 1221212002079. The next prime is 1221212002099. The reversal of 1221212002094 is 4902002121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221212002099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2749787 + ... + 3162870.

It is an arithmetic number, because the mean of its divisors is an integer number (130853034198).

Almost surely, 2^{1221212002094} is an apocalyptic number.

1221212002094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1221212002094 is a deficient number, since it is larger than the sum of its proper divisors (872436545074).

1221212002094 is a wasteful number, since it uses less digits than its factorization.

1221212002094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927419.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 1221212002094 in words is "one trillion, two hundred twenty-one billion, two hundred twelve million, two thousand, ninety-four".