1002152212 has 6 divisors (see below), whose sum is σ = 1753766378. Its totient is φ = 501076104.

The previous prime is 1002152201. The next prime is 1002152219. The reversal of 1002152212 is 2122512001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 764190736 + 237961476 = 27644^2 + 15426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002152219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125269023 + ... + 125269030.

Almost surely, 2^1002152212 is an apocalyptic number.

It is an amenable number.

1002152212 is a deficient number, since it is larger than the sum of its proper divisors (751614166).

1002152212 is a wasteful number, since it uses less digits than its factorization.

1002152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250538057 (or 250538055 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1002152212 is about 31656.7877713453. The cubic root of 1002152212 is about 1000.7168899460.

Adding to 1002152212 its reverse (2122512001), we get a palindrome (3124664213).

The spelling of 1002152212 in words is "one billion, two million, one hundred fifty-two thousand, two hundred twelve".