1212333049 has 2 divisors, whose sum is σ = 1212333050. Its totient is φ = 1212333048.

The previous prime is 1212332959. The next prime is 1212333061. The reversal of 1212333049 is 9403332121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 749007424 + 463325625 = 27368^2 + 21525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212333049 - 2²⁵ = 1178778617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212333149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606166524 + 606166525.

It is an arithmetic number, because the mean of its divisors is an integer number (606166525).

Almost surely, 2^1212333049 is an apocalyptic number.

It is an amenable number.

1212333049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212333049 is an equidigital number, since it uses as much as digits as its factorization.

1212333049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1212333049 is about 34818.5733337826. The cubic root of 1212333049 is about 1066.2866737064.

It can be divided in two parts, 12 and 12333049, that added together give a triangular number (12333061 = T₄₉₆₆).

The spelling of 1212333049 in words is "one billion, two hundred twelve million, three hundred thirty-three thousand, forty-nine".