1220620123050 has 24 divisors (see below), whose sum is σ = 3027137905536. Its totient is φ = 325498699440.

The previous prime is 1220620122919. The next prime is 1220620123057. The reversal of 1220620123050 is 503210260221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220620123050.

It is not an unprimeable number, because it can be changed into a prime (1220620123057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4068733594 + ... + 4068733893.

It is an arithmetic number, because the mean of its divisors is an integer number (126130746064).

Almost surely, 2^{1220620123050} is an apocalyptic number.

1220620123050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220620123050 is an abundant number, since it is smaller than the sum of its proper divisors (1806517782486).

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

1220620123050 is a wasteful number, since it uses less digits than its factorization.

1220620123050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8137467502 (or 8137467497 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1220620123050 its reverse (503210260221), we get a palindrome (1723830383271).

The spelling of 1220620123050 in words is "one trillion, two hundred twenty billion, six hundred twenty million, one hundred twenty-three thousand, fifty".