1002122012 has 6 divisors (see below), whose sum is σ = 1753713528. Its totient is φ = 501061004.

The previous prime is 1002121963. The next prime is 1002122047. The reversal of 1002122012 is 2102212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002121984 and 1002122002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125265248 + ... + 125265255.

It is an arithmetic number, because the mean of its divisors is an integer number (292285588).

Almost surely, 2^1002122012 is an apocalyptic number.

It is an amenable number.

1002122012 is a deficient number, since it is larger than the sum of its proper divisors (751591516).

1002122012 is a wasteful number, since it uses less digits than its factorization.

1002122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250530507 (or 250530505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002122012 is about 31656.3107768420. The cubic root of 1002122012 is about 1000.7068375962.

Adding to 1002122012 its reverse (2102212001), we get a palindrome (3104334013).

The spelling of 1002122012 in words is "one billion, two million, one hundred twenty-two thousand, twelve".