1288220174146 has 16 divisors (see below), whose sum is σ = 1951187382144. Its totient is φ = 637824999744.

The previous prime is 1288220174099. The next prime is 1288220174177. The reversal of 1288220174146 is 6414710228821.

It is a super-2 number, since 2×1288220174146² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1288220174096 and 1288220174105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4328875 + ... + 4616881.

It is an arithmetic number, because the mean of its divisors is an integer number (121949211384).

Almost surely, 2^{1288220174146} is an apocalyptic number.

1288220174146 is a deficient number, since it is larger than the sum of its proper divisors (662967207998).

1288220174146 is a wasteful number, since it uses less digits than its factorization.

1288220174146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309825.

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 1288220174146 in words is "one trillion, two hundred eighty-eight billion, two hundred twenty million, one hundred seventy-four thousand, one hundred forty-six".