1212402060 has 48 divisors (see below), whose sum is σ = 3771919200. Its totient is φ = 323307072.

The previous prime is 1212402047. The next prime is 1212402091. The reversal of 1212402060 is 602042121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122055 + ... + 1123134.

It is an arithmetic number, because the mean of its divisors is an integer number (78581650).

Almost surely, 2^1212402060 is an apocalyptic number.

1212402060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212402060 is an abundant number, since it is smaller than the sum of its proper divisors (2559517140).

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

1212402060 is a wasteful number, since it uses less digits than its factorization.

1212402060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245207 (or 2245199 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1212402060 is about 34819.5643281188. The cubic root of 1212402060 is about 1066.3069058017.

Adding to 1212402060 its reverse (602042121), we get a palindrome (1814444181).

The spelling of 1212402060 in words is "one billion, two hundred twelve million, four hundred two thousand, sixty".