1220212200001 has 32 divisors (see below), whose sum is σ = 1296333739008. Its totient is φ = 1146724024320.

The previous prime is 1220212199977. The next prime is 1220212200037. The reversal of 1220212200001 is 1000022120221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1220212200001 - 2⁷ = 1220212199873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220212290001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197666151 + ... + 197672323.

It is an arithmetic number, because the mean of its divisors is an integer number (40510429344).

Almost surely, 2^{1220212200001} is an apocalyptic number.

It is an amenable number.

1220212200001 is a deficient number, since it is larger than the sum of its proper divisors (76121539007).

1220212200001 is a wasteful number, since it uses less digits than its factorization.

1220212200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220212200001 its reverse (1000022120221), we get a palindrome (2220234320222).

The spelling of 1220212200001 in words is "one trillion, two hundred twenty billion, two hundred twelve million, two hundred thousand, one".