2312121002 has 4 divisors (see below), whose sum is σ = 3468181506. Its totient is φ = 1156060500.

The previous prime is 2312120999. The next prime is 2312121011. The reversal of 2312121002 is 2001212132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1254505561 + 1057615441 = 35419^2 + 32521^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578030249 + ... + 578030252.

Almost surely, 2^2312121002 is an apocalyptic number.

2312121002 is a deficient number, since it is larger than the sum of its proper divisors (1156060504).

2312121002 is a wasteful number, since it uses less digits than its factorization.

2312121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156060503.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2312121002 is about 48084.5193591451. The cubic root of 2312121002 is about 1322.3208714378.

Adding to 2312121002 its reverse (2001212132), we get a palindrome (4313333134).

The spelling of 2312121002 in words is "two billion, three hundred twelve million, one hundred twenty-one thousand, two".