1212231004 has 12 divisors (see below), whose sum is σ = 2140178544. Its totient is φ = 600751424.

The previous prime is 1212230983. The next prime is 1212231011. The reversal of 1212231004 is 4001322121.

It is a congruent number.

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, 1340512 + ... + 1341415.

It is an arithmetic number, because the mean of its divisors is an integer number (178348212).

Almost surely, 2^1212231004 is an apocalyptic number.

It is an amenable number.

1212231004 is a deficient number, since it is larger than the sum of its proper divisors (927947540).

1212231004 is a wasteful number, since it uses less digits than its factorization.

1212231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682044 (or 2682042 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1212231004 is about 34817.1079212504. The cubic root of 1212231004 is about 1066.2567555590.

Adding to 1212231004 its reverse (4001322121), we get a palindrome (5213553125).

The spelling of 1212231004 in words is "one billion, two hundred twelve million, two hundred thirty-one thousand, four".