1220137354735 has 16 divisors (see below), whose sum is σ = 1586234776896. Its totient is φ = 895629143808.

The previous prime is 1220137354693. The next prime is 1220137354763. The reversal of 1220137354735 is 5374537310221.

It is a cyclic number.

It is not a de Polignac number, because 1220137354735 - 2⁹ = 1220137354223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220137354691 and 1220137354700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56190774 + ... + 56212483.

It is an arithmetic number, because the mean of its divisors is an integer number (99139673556).

Almost surely, 2^{1220137354735} is an apocalyptic number.

1220137354735 is a deficient number, since it is larger than the sum of its proper divisors (366097422161).

1220137354735 is a wasteful number, since it uses less digits than its factorization.

1220137354735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112403442.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 1220137354735 in words is "one trillion, two hundred twenty billion, one hundred thirty-seven million, three hundred fifty-four thousand, seven hundred thirty-five".