1012120212148 has 6 divisors (see below), whose sum is σ = 1771210371266. Its totient is φ = 506060106072.

The previous prime is 1012120212137. The next prime is 1012120212149. The reversal of 1012120212148 is 8412120212101.

1012120212148 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., 997365737124 + 14754475024 = 998682^2 + 121468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120212149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126515026515 + ... + 126515026522.

Almost surely, 2^{1012120212148} is an apocalyptic number.

It is an amenable number.

1012120212148 is a deficient number, since it is larger than the sum of its proper divisors (759090159118).

1012120212148 is a wasteful number, since it uses less digits than its factorization.

1012120212148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253030053041 (or 253030053039 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 1012120212148 its reverse (8412120212101), we get a palindrome (9424240424249).

The spelling of 1012120212148 in words is "one trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, one hundred forty-eight".