1220202312407 has 8 divisors (see below), whose sum is σ = 1322433865536. Its totient is φ = 1119166450272.

The previous prime is 1220202312397. The next prime is 1220202312431. The reversal of 1220202312407 is 7042132020221.

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

It is not a de Polignac number, because 1220202312407 - 2¹⁴ = 1220202296023 is a prime.

It is a super-2 number, since 2×1220202312407² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220202312107) 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, 298920623 + ... + 298924704.

It is an arithmetic number, because the mean of its divisors is an integer number (165304233192).

Almost surely, 2^{1220202312407} is an apocalyptic number.

1220202312407 is a deficient number, since it is larger than the sum of its proper divisors (102231553129).

1220202312407 is a wasteful number, since it uses less digits than its factorization.

1220202312407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597845497.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 1220202312407 its reverse (7042132020221), we get a palindrome (8262334332628).

The spelling of 1220202312407 in words is "one trillion, two hundred twenty billion, two hundred two million, three hundred twelve thousand, four hundred seven".