1212021114 has 16 divisors (see below), whose sum is σ = 2431840320. Its totient is φ = 402707360.

The previous prime is 1212021113. The next prime is 1212021143. The reversal of 1212021114 is 4111202121.

It is a junction number, because it is equal to n+sod(n) for n = 1212021093 and 1212021102.

It is not an unprimeable number, because it can be changed into a prime (1212021113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322899 + ... + 326630.

It is an arithmetic number, because the mean of its divisors is an integer number (151990020).

Almost surely, 2^1212021114 is an apocalyptic number.

1212021114 is an abundant number, since it is smaller than the sum of its proper divisors (1219819206).

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

1212021114 is a wasteful number, since it uses less digits than its factorization.

1212021114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649845.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1212021114 is about 34814.0936116395. The cubic root of 1212021114 is about 1066.1952135077.

Adding to 1212021114 its reverse (4111202121), we get a palindrome (5323223235).

The spelling of 1212021114 in words is "one billion, two hundred twelve million, twenty-one thousand, one hundred fourteen".