1220450154150 has 48 divisors (see below), whose sum is σ = 3027984210000. Its totient is φ = 325317048960.

The previous prime is 1220450154139. The next prime is 1220450154173. The reversal of 1220450154150 is 514510540221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1344525 + ... + 2061224.

It is an arithmetic number, because the mean of its divisors is an integer number (63083004375).

Almost surely, 2^{1220450154150} is an apocalyptic number.

1220450154150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220450154150 is an abundant number, since it is smaller than the sum of its proper divisors (1807534055850).

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

1220450154150 is a wasteful number, since it uses less digits than its factorization.

1220450154150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408153 (or 3408148 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 1220450154150 its reverse (514510540221), we get a palindrome (1734960694371).

The spelling of 1220450154150 in words is "one trillion, two hundred twenty billion, four hundred fifty million, one hundred fifty-four thousand, one hundred fifty".