1212452004 has 12 divisors (see below), whose sum is σ = 2829054704. Its totient is φ = 404150664.

The previous prime is 1212451973. The next prime is 1212452011. The reversal of 1212452004 is 4002542121.

It is a tau number, because it is divible by the number of its divisors (12).

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, 50518822 + ... + 50518845.

Almost surely, 2^1212452004 is an apocalyptic number.

It is an amenable number.

1212452004 is an abundant number, since it is smaller than the sum of its proper divisors (1616602700).

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

1212452004 is a wasteful number, since it uses less digits than its factorization.

1212452004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101037674 (or 101037672 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1212452004 is about 34820.2815037443. The cubic root of 1212452004 is about 1066.3215475070.

Adding to 1212452004 its reverse (4002542121), we get a palindrome (5214994125).

The spelling of 1212452004 in words is "one billion, two hundred twelve million, four hundred fifty-two thousand, four".