101123030231012 has 6 divisors (see below), whose sum is σ = 176965302904278. Its totient is φ = 50561515115504.

The previous prime is 101123030230987. The next prime is 101123030231023. The reversal of 101123030231012 is 210132030321101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96350832695716 + 4772197535296 = 9815846^2 + 2184536^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640378778873 + ... + 12640378778880.

It is an arithmetic number, because the mean of its divisors is an integer number (29494217150713).

Almost surely, 2^{101123030231012} is an apocalyptic number.

It is an amenable number.

101123030231012 is a deficient number, since it is larger than the sum of its proper divisors (75842272673266).

101123030231012 is a wasteful number, since it uses less digits than its factorization.

101123030231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25280757557757 (or 25280757557755 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 101123030231012 its reverse (210132030321101), we get a palindrome (311255060552113).

The spelling of 101123030231012 in words is "one hundred one trillion, one hundred twenty-three billion, thirty million, two hundred thirty-one thousand, twelve".