1212212002153 has 2 divisors, whose sum is σ = 1212212002154. Its totient is φ = 1212212002152.

The previous prime is 1212212002121. The next prime is 1212212002159. The reversal of 1212212002153 is 3512002122121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1181377695744 + 30834306409 = 1086912^2 + 175597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212212002153 - 2⁵ = 1212212002121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212212002159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106001076 + 606106001077.

It is an arithmetic number, because the mean of its divisors is an integer number (606106001077).

Almost surely, 2^{1212212002153} is an apocalyptic number.

It is an amenable number.

1212212002153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212212002153 is an equidigital number, since it uses as much as digits as its factorization.

1212212002153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1212212002153 its reverse (3512002122121), we get a palindrome (4724214124274).

The spelling of 1212212002153 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two thousand, one hundred fifty-three".