1212203070929 has 2 divisors, whose sum is σ = 1212203070930. Its totient is φ = 1212203070928.

The previous prime is 1212203070917. The next prime is 1212203070931. The reversal of 1212203070929 is 9290703022121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1165432520704 + 46770550225 = 1079552^2 + 216265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212203070929 - 2²⁴ = 1212186293713 is a prime.

Together with 1212203070931, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212203070892 and 1212203070901.

It is not a weakly prime, because it can be changed into another prime (1212203000929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606101535464 + 606101535465.

It is an arithmetic number, because the mean of its divisors is an integer number (606101535465).

Almost surely, 2^{1212203070929} is an apocalyptic number.

It is an amenable number.

1212203070929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212203070929 is an equidigital number, since it uses as much as digits as its factorization.

1212203070929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 1212203070929 in words is "one trillion, two hundred twelve billion, two hundred three million, seventy thousand, nine hundred twenty-nine".