149221012 has 6 divisors (see below), whose sum is σ = 261136778. Its totient is φ = 74610504.

The previous prime is 149220997. The next prime is 149221021. The reversal of 149221012 is 210122941.

149221012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 50893956 = 9916^2 + 7134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18652623 + ... + 18652630.

Almost surely, 2^149221012 is an apocalyptic number.

It is an amenable number.

149221012 is a deficient number, since it is larger than the sum of its proper divisors (111915766).

149221012 is a wasteful number, since it uses less digits than its factorization.

149221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37305257 (or 37305255 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 149221012 is about 12215.6052653972. The cubic root of 149221012 is about 530.4079119125.

Adding to 149221012 its reverse (210122941), we get a palindrome (359343953).

The spelling of 149221012 in words is "one hundred forty-nine million, two hundred twenty-one thousand, twelve".