1212140204 has 24 divisors (see below), whose sum is σ = 2414700288. Its totient is φ = 527017040.

The previous prime is 1212140183. The next prime is 1212140219. The reversal of 1212140204 is 4020412121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597872 + ... + 599895.

It is an arithmetic number, because the mean of its divisors is an integer number (100612512).

Almost surely, 2^1212140204 is an apocalyptic number.

It is an amenable number.

1212140204 is a deficient number, since it is larger than the sum of its proper divisors (1202560084).

1212140204 is a wasteful number, since it uses less digits than its factorization.

1212140204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197805 (or 1197803 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1212140204 is about 34815.8039401649. The cubic root of 1212140204 is about 1066.2301328745.

Adding to 1212140204 its reverse (4020412121), we get a palindrome (5232552325).

It can be divided in two parts, 12121 and 40204, that added together give a palindrome (52325).

The spelling of 1212140204 in words is "one billion, two hundred twelve million, one hundred forty thousand, two hundred four".