1202120012 has 6 divisors (see below), whose sum is σ = 2103710028. Its totient is φ = 601060004.

The previous prime is 1202119999. The next prime is 1202120021. The reversal of 1202120012 is 2100212021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202119975 and 1202120002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150264998 + ... + 150265005.

It is an arithmetic number, because the mean of its divisors is an integer number (350618338).

Almost surely, 2^1202120012 is an apocalyptic number.

It is an amenable number.

1202120012 is a deficient number, since it is larger than the sum of its proper divisors (901590016).

1202120012 is a wasteful number, since it uses less digits than its factorization.

1202120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300530007 (or 300530005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1202120012 is about 34671.6023858142. The cubic root of 1202120012 is about 1063.2839923865.

Adding to 1202120012 its reverse (2100212021), we get a palindrome (3302332033).

The spelling of 1202120012 in words is "one billion, two hundred two million, one hundred twenty thousand, twelve".