122220220212001 has 8 divisors (see below), whose sum is σ = 129429255542400. Its totient is φ = 115013363838528.

The previous prime is 122220220211989. The next prime is 122220220212011. The reversal of 122220220212001 is 100212022022221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122220220212001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122220220212001.

It is not an unprimeable number, because it can be changed into a prime (122220220212011) 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, 544623741 + ... + 544848106.

It is an arithmetic number, because the mean of its divisors is an integer number (16178656942800).

Almost surely, 2^{122220220212001} is an apocalyptic number.

It is an amenable number.

122220220212001 is a deficient number, since it is larger than the sum of its proper divisors (7209035330399).

122220220212001 is a wasteful number, since it uses less digits than its factorization.

122220220212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089478463.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122220220212001 its reverse (100212022022221), we get a palindrome (222432242234222).

The spelling of 122220220212001 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty million, two hundred twelve thousand, one".