1220025322115 has 4 divisors (see below), whose sum is σ = 1464030386544. Its totient is φ = 976020257688.

The previous prime is 1220025322099. The next prime is 1220025322127. The reversal of 1220025322115 is 5112235200221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220025322115 - 2⁴ = 1220025322099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122002532207 + ... + 122002532216.

It is an arithmetic number, because the mean of its divisors is an integer number (366007596636).

Almost surely, 2^{1220025322115} is an apocalyptic number.

1220025322115 is a deficient number, since it is larger than the sum of its proper divisors (244005064429).

1220025322115 is an equidigital number, since it uses as much as digits as its factorization.

1220025322115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244005064428.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 1220025322115 in words is "one trillion, two hundred twenty billion, twenty-five million, three hundred twenty-two thousand, one hundred fifteen".