1212211002 has 16 divisors (see below), whose sum is σ = 2483554752. Its totient is φ = 394214880.

The previous prime is 1212210953. The next prime is 1212211009. The reversal of 1212211002 is 2001122121.

It is not an unprimeable number, because it can be changed into a prime (1212211009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463598 + ... + 2464089.

It is an arithmetic number, because the mean of its divisors is an integer number (155222172).

Almost surely, 2^1212211002 is an apocalyptic number.

1212211002 is an abundant number, since it is smaller than the sum of its proper divisors (1271343750).

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

1212211002 is a wasteful number, since it uses less digits than its factorization.

1212211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927733.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1212211002 is about 34816.8206762191. The cubic root of 1212211002 is about 1066.2508910593.

Adding to 1212211002 its reverse (2001122121), we get a palindrome (3213333123).

The spelling of 1212211002 in words is "one billion, two hundred twelve million, two hundred eleven thousand, two".