1212401034 has 40 divisors (see below), whose sum is σ = 2925656580. Its totient is φ = 373045824.

The previous prime is 1212401027. The next prime is 1212401051. The reversal of 1212401034 is 4301042121.

It can be written as a sum of positive squares in 2 ways, for example, as 846635409 + 365765625 = 29097^2 + 19125^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212400998 and 1212401016.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 285739 + ... + 289950.

Almost surely, 2^1212401034 is an apocalyptic number.

1212401034 is an abundant number, since it is smaller than the sum of its proper divisors (1713255546).

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

1212401034 is a wasteful number, since it uses less digits than its factorization.

1212401034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575716 (or 575707 counting only the distinct ones).

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

The square root of 1212401034 is about 34819.5495950192. The cubic root of 1212401034 is about 1066.3066050129.

Adding to 1212401034 its reverse (4301042121), we get a palindrome (5513443155).

The spelling of 1212401034 in words is "one billion, two hundred twelve million, four hundred one thousand, thirty-four".