1220435253501 has 8 divisors (see below), whose sum is σ = 1628744016384. Its totient is φ = 812874996480.

The previous prime is 1220435253419. The next prime is 1220435253509. The reversal of 1220435253501 is 1053525340221.

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

It is not a de Polignac number, because 1220435253501 - 2¹⁴ = 1220435237117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220435253509) 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, 187122660 + ... + 187129181.

It is an arithmetic number, because the mean of its divisors is an integer number (203593002048).

Almost surely, 2^{1220435253501} is an apocalyptic number.

It is an amenable number.

1220435253501 is a deficient number, since it is larger than the sum of its proper divisors (408308762883).

1220435253501 is a wasteful number, since it uses less digits than its factorization.

1220435253501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374252931.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 1220435253501 in words is "one trillion, two hundred twenty billion, four hundred thirty-five million, two hundred fifty-three thousand, five hundred one".