1212140002 has 8 divisors (see below), whose sum is σ = 1818969516. Its totient is φ = 605816832.

The previous prime is 1212139939. The next prime is 1212140077. The reversal of 1212140002 is 2000412121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1188801441 + 23338561 = 34479^2 + 4831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120543 + ... + 130210.

Almost surely, 2^1212140002 is an apocalyptic number.

1212140002 is a deficient number, since it is larger than the sum of its proper divisors (606829514).

1212140002 is a wasteful number, since it uses less digits than its factorization.

1212140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253172.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1212140002 is about 34815.8010391833. The cubic root of 1212140002 is about 1066.2300736463.

Adding to 1212140002 its reverse (2000412121), we get a palindrome (3212552123).

The spelling of 1212140002 in words is "one billion, two hundred twelve million, one hundred forty thousand, two".