1212050133 has 18 divisors (see below), whose sum is σ = 2036574774. Its totient is φ = 692599824.

The previous prime is 1212050129. The next prime is 1212050137. The reversal of 1212050133 is 3310502121.

1212050133 is a `hidden beast` number, since 12 + 120 + 501 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (1212050129) and next prime (1212050137).

It can be written as a sum of positive squares in only one way, i.e., 1181778129 + 30272004 = 34377^2 + 5502^2 .

It is not a de Polignac number, because 1212050133 - 2² = 1212050129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212050137) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1373766 + ... + 1374647.

It is an arithmetic number, because the mean of its divisors is an integer number (113143043).

Almost surely, 2^1212050133 is an apocalyptic number.

It is an amenable number.

1212050133 is a deficient number, since it is larger than the sum of its proper divisors (824524641).

1212050133 is a wasteful number, since it uses less digits than its factorization.

1212050133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748433 (or 2748423 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1212050133 is about 34814.5103800125. The cubic root of 1212050133 is about 1066.2037226202.

Adding to 1212050133 its reverse (3310502121), we get a palindrome (4522552254).

The spelling of 1212050133 in words is "one billion, two hundred twelve million, fifty thousand, one hundred thirty-three".