1206623242221 has 8 divisors (see below), whose sum is σ = 1609104577344. Its totient is φ = 804278700960.

The previous prime is 1206623242117. The next prime is 1206623242283. The reversal of 1206623242221 is 1222423266021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1206623242221 - 2²² = 1206619047917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206623242621) 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, 34177881 + ... + 34213166.

It is an arithmetic number, because the mean of its divisors is an integer number (201138072168).

Almost surely, 2^{1206623242221} is an apocalyptic number.

It is an amenable number.

1206623242221 is a deficient number, since it is larger than the sum of its proper divisors (402481335123).

1206623242221 is an equidigital number, since it uses as much as digits as its factorization.

1206623242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68396931.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 1206623242221 in words is "one trillion, two hundred six billion, six hundred twenty-three million, two hundred forty-two thousand, two hundred twenty-one".