145231212203512 has 16 divisors (see below), whose sum is σ = 275755466210400. Its totient is φ = 71696421214080.

The previous prime is 145231212203491. The next prime is 145231212203521. The reversal of 145231212203512 is 215302212132541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114898110289 + ... + 114898111552.

It is an arithmetic number, because the mean of its divisors is an integer number (17234716638150).

Almost surely, 2^{145231212203512} is an apocalyptic number.

It is an amenable number.

145231212203512 is a deficient number, since it is larger than the sum of its proper divisors (130524254006888).

145231212203512 is a wasteful number, since it uses less digits than its factorization.

145231212203512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229796221926 (or 229796221922 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 145231212203512 in words is "one hundred forty-five trillion, two hundred thirty-one billion, two hundred twelve million, two hundred three thousand, five hundred twelve".