2355121533212 has 24 divisors (see below), whose sum is σ = 4755973587456. Its totient is φ = 999538402608.

The previous prime is 2355121533197. The next prime is 2355121533227. The reversal of 2355121533212 is 2123351215532.

It is an interprime number because it is at equal distance from previous prime (2355121533197) and next prime (2355121533227).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408305288 + ... + 408311055.

It is an arithmetic number, because the mean of its divisors is an integer number (198165566144).

Almost surely, 2^{2355121533212} is an apocalyptic number.

It is an amenable number.

2355121533212 is an abundant number, since it is smaller than the sum of its proper divisors (2400852054244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2355121533212 is a wasteful number, since it uses less digits than its factorization.

2355121533212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816616457 (or 816616455 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

Adding to 2355121533212 its reverse (2123351215532), we get a palindrome (4478472748744).

The spelling of 2355121533212 in words is "two trillion, three hundred fifty-five billion, one hundred twenty-one million, five hundred thirty-three thousand, two hundred twelve".