1213142030 has 32 divisors (see below), whose sum is σ = 2248652448. Its totient is φ = 470937600.

The previous prime is 1213142023. The next prime is 1213142041. The reversal of 1213142030 is 302413121.

It is a congruent number.

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, 71465 + ... + 86795.

It is an arithmetic number, because the mean of its divisors is an integer number (70270389).

Almost surely, 2^1213142030 is an apocalyptic number.

1213142030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213142030 is a deficient number, since it is larger than the sum of its proper divisors (1035510418).

1213142030 is a wasteful number, since it uses less digits than its factorization.

1213142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15572.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213142030 is about 34830.1884864265. The cubic root of 1213142030 is about 1066.5237960773.

Adding to 1213142030 its reverse (302413121), we get a palindrome (1515555151).

The spelling of 1213142030 in words is "one billion, two hundred thirteen million, one hundred forty-two thousand, thirty".