1212700104 has 192 divisors, whose sum is σ = 4190883840. Its totient is φ = 307601280.

The previous prime is 1212700103. The next prime is 1212700141. The reversal of 1212700104 is 4010072121.

It is a super-2 number, since 2×1212700104² = 2941283084483221632, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1212700103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235849 + ... + 240935.

It is an arithmetic number, because the mean of its divisors is an integer number (21827520).

Almost surely, 2^1212700104 is an apocalyptic number.

1212700104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212700104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2095441920).

1212700104 is an abundant number, since it is smaller than the sum of its proper divisors (2978183736).

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

1212700104 is a wasteful number, since it uses less digits than its factorization.

1212700104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1212700104 is about 34823.8439004082. The cubic root of 1212700104 is about 1066.3942751510.

Adding to 1212700104 its reverse (4010072121), we get a palindrome (5222772225).

The spelling of 1212700104 in words is "one billion, two hundred twelve million, seven hundred thousand, one hundred four".