1220435210454 has 8 divisors (see below), whose sum is σ = 2440870420920. Its totient is φ = 406811736816.

The previous prime is 1220435210447. The next prime is 1220435210459. The reversal of 1220435210454 is 4540125340221.

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

1220435210454 is an admirable number.

It is a super-2 number, since 2×1220435210454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220435210459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101702934199 + ... + 101702934210.

It is an arithmetic number, because the mean of its divisors is an integer number (305108802615).

Almost surely, 2^{1220435210454} is an apocalyptic number.

1220435210454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220435210454 is a wasteful number, since it uses less digits than its factorization.

1220435210454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203405868414.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 1220435210454 in words is "one trillion, two hundred twenty billion, four hundred thirty-five million, two hundred ten thousand, four hundred fifty-four".