3512222516145 has 32 divisors (see below), whose sum is σ = 6422421664512. Its totient is φ = 1605569455872.

The previous prime is 3512222516137. The next prime is 3512222516167. The reversal of 3512222516145 is 5416152222153.

It is not a de Polignac number, because 3512222516145 - 2³ = 3512222516137 is a prime.

It is a super-2 number, since 2×3512222516145² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15314139 + ... + 15541791.

It is an arithmetic number, because the mean of its divisors is an integer number (200700677016).

Almost surely, 2^{3512222516145} is an apocalyptic number.

3512222516145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3512222516145 is a deficient number, since it is larger than the sum of its proper divisors (2910199148367).

3512222516145 is a wasteful number, since it uses less digits than its factorization.

3512222516145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374601.

The product of its digits is 144000, while the sum is 39.

Adding to 3512222516145 its reverse (5416152222153), we get a palindrome (8928374738298).

The spelling of 3512222516145 in words is "three trillion, five hundred twelve billion, two hundred twenty-two million, five hundred sixteen thousand, one hundred forty-five".